Develop Bugs

Sudden increase in power usage; TP2 gets hot but no obvious reason

My T-Mobile USA (standard ROM) Tp2 behaved very strangely earlier today, but seems to have recovered. Anyone had any similar experience?
a) Battery level decreased rapidly, and unit getting very warm
b) Battery Status today plugin showed > 900ma (and sometimes > 1300ma!!) current draw
c) Unit would not charge from my USB port (message that it wasn't providing enough current)
d) I put flight mode on, no appreciable change in behavior with all radios off.
e) Soft reset - no change
f) Task manager didn't show anything using undue amounts of CPU
In the end, I turned it off (completely), and it would then charge normally. Left it like that for two or three hours, and when I turned it back on everything seems to be ok.
I have a lot of software on there, but nothing installed new in the last few days. It's worked perfectly today - best cell phone or PDA I've had since my trusty Phillips Velo...
While this was happening it seemed slightly sluggish, but certainly not locked up. Only 'unusual' thing - yesterday I let the battery get real very low for the first time (left it with the screen on, and an app running). I almost wonder if somehow there's a power management issue recovering from this. Note - it was never completely dead, just very low.
Anyone had anything similar happen? I assume the problem is in the phone, not the battery (otherwise I wouldn't have seen the current draw)
-Steve

you can try to hard reset and put everything back in...
what i usually do is turn off 3g because it consumes a lot of battery..i'd use wifi as much as possible or edge.
you can try using cleanRam to clean up some excess space on the phone.
not sure about the charge, you might need to restart your PC or reinstall active sync so it can detect the phone.

judicious said:
you can try to hard reset and put everything back in...
what i usually do is turn off 3g because it consumes a lot of battery..i'd use wifi as much as possible or edge.
you can try using cleanRam to clean up some excess space on the phone.
not sure about the charge, you might need to restart your PC or reinstall active sync so it can detect the phone.
Click to expand...
Click to collapse
He's not talking about ActiveSync or not detecting his phone.
However, I notice this behaviour almost all the time (device runs out of battery within one night) but only see those large power consumptions sometimes.
My device cannot be seen by any PC I tried (after first installing Mobile Center) so maybe there's a flaw in some devices?

Bright.Light said:
He's not talking about ActiveSync or not detecting his phone.
However, I notice this behaviour almost all the time (device runs out of battery within one night) but only see those large power consumptions sometimes.
My device cannot be seen by any PC I tried (after first installing Mobile Center) so maybe there's a flaw in some devices?
Click to expand...
Click to collapse
Yes -sorry I didn't make that clear. Phone was working ok (including activesync) - it's just that it was trying to take too much current from the USB port.
This has only happened once (fingers crossed!). I'm sure it's software (rather than a hardware fault), but I'm puzzled given that the task manager showed minimal CPU usage, and the power drain continued in airplane mode
-Steve

Your reception is probably bad. The TP2 will basically go insane if the reception is bad enough, I've seen it drain a fully charged battery in under 3 hours if you have push data turned on and there's 0-1 bars of reception. The battery life is quite good when reception is at least a few bars but once it goes below a certain point I've definitely noticed that the phone goes insane and will get noticeably warm in the pocket and basically die within a few hours.
Turning off push data will get you slightly better battery life in this scenario but unfortunately I still found that the battery would still be dead by the time I needed to use it. And it's not a network issue either since I tested it on different networks and compared it to other smartphones dealing with the same terrible reception-this phone definitely uses an insane amount of power when reception is bad, which isn't a problem if you're just transiently going through a bad reception area (probably helps keep the signal from dropping) but if you're spending a few hours in a place with poor reception it will drain insanely quickly.
Thankfully I'm spending my time in places with better reception now-I basically ended up having to turn off the phone if I wanted it to still have power by the end of the day but now it's still nearly full at the end of the day with just moderate reception.
HTC should really change the phone's behavior when there's 0-1 bars-it's nice that it tries to find a network aggressively when it loses a signal but there should be a timeout on it where it should start checking at longer intervals if there's a long period of no signals unless someone's trying to make a call or something. Really useless when you put your phone down for 2 hours in some overly shielded building and when you pick it up to make a call and it's dead. Not to mention uncomfortable when it starts heating up like crazy.
I'm not sure why you still got battery drainage even in airplane mode though but maybe the phone had already gone into whatever insane mode it goes into when the reception gets bad. Maybe it's one of the apps running the background that freaked out as well? I think my battery life was still kinda bad in airplane mode as well, for some reason I had to literally turn the phone off to get it to stop killing the battery.

i get zero bars at work and no reception. i've noticed that at work, my phone gets destroyed and lags like crazy and barely usable. it gets no reception for 8 hrs so its nice to know that other ppl are experiencing this problem and its not just me.

my tilt did this today, was warm to the touch, idled' didn't use it all day 6 hrs idle with signal, battery drained to 50% made a phone call 13 min duration, put the phone down watched a 2 hr show, phone dead.
not from signal/data.

My Tilt2 stock rom appears to have done the exact same thing today. Yesterday it had low battery for the first time ever... then today, it completely died in my pocket while at work (usually I have about 80% battery left at the end of the day). I noticed early this morning that the phone dropped from 100% to 60% about 2 hrs after it was off the charger. The phone felt hot. No programs were running in the background either. When i saw this, i ran cleanram and it still died a few hours later. Reset the phone and charging it now, hopefully this was a one time thing?

tekdemon said:
Your reception is probably bad. The TP2 will basically go insane if the reception is bad enough, I've seen it drain a fully charged battery in under 3 hours if you have push data turned on and there's 0-1 bars of reception. T....
Click to expand...
Click to collapse
I think this might be it. Reception at work is normally really good (there's a tower in our parking lot!) - but I noticed today they are working on it.
The strange thing is that putting it in flight mode did not stop the power drain - to me that just doesn't make sense. However, I'm thinking that when I first did a soft reset, it probably wasn't in flight mode. So, the complete manual power down, followed by the resulting soft-reset into airplane mode) might be what fixed it.
My phone is often in areas of poor coverage (NW CT) - pretty much every day to/from work, and I've not seen this behavior with the TP2 before. Other GSM phones I've had do noticeably use more phone in areas of poor/non existent coverage, but this was a relative melt-down - I did wonder whether I had an internal short.
It's been ok since, and I'll report any future incidents or findings...

Happened to me two times, I figgured the problem was the GPS connection, improper exit from GPS app (AmazeGPS). Can be related to GoogleMaps or other app too. After restart, everything went back to normal.

slimslim said:
Happened to me two times, I figgured the problem was the GPS connection, improper exit from GPS app (AmazeGPS). Can be related to GoogleMaps or other app too. After restart, everything went back to normal.
Click to expand...
Click to collapse
If that is so, how can we check if the GPS is still running?
I do a reset often, but that won't change a thing...
Besides, when I look, the power consumption often is 'slightly above normal' - 150maH-250maH.
btw: what is considered as normal consumption?

Battery Status plugin
I hate to sound like a fool, but I'm running the stock ATT Rom on my Tilt 2, and I cant find the "Battery Status today plugin" you mentioned. Is that a T-Mobile only thing?
Is there a .cab for it?
To reply to the primary topic though, I've experienced the heat increase/battery drain level thing, but it just started yesterday after I installed a whole bunch of stuff. This weekend I'm planning to hard-reset and load stuff slowly so maybe I can isolate the cause.
I'll post an update if I figure anything out.

FWIW - I've recently been trying to track down a battery drain, too.
For me, though, the drain has correlated with trying out SPB Mobile Shell 3, so that is clearly a likely candidate. However, the drain does seem to be mainly limited to night time.
For example, on Sunday the phone dropped to only around 80% after a full day out and about. However, by Monday morning it was down to 10%.
Similar results on Tuesday night - almost complete drain by the morning.
To see if I could work out what was going on, I installed acbTaskMan yesterday, and set it to log CPU overnight (it periodically logs CPU usage, power drain and the top three CPU users).
Unfortunately, there isn't any *obvious* candidate:
Microsoft "My Phone" kicked in for a couple of minutes and used quite a lot of power (max of 493ma). However, this dropped off once "My Phone" had done its stuff.
A lot of the time, its actually acbTaskMan which is the top user of CPU (probably unsurprising, given it is monitoring and logging).
There does seem to be a bit of residual network traffic - every five minutes (or so) there are a few UDP and TCP packets being sent.
Overall, the average reported power usage was about 113ma (with the max being 493 and the min being 5!). However, the reporting period seems a little odd - most of the time it reports every 5 seconds, but there are a few periods earlier in the night where there are gaps of up to 5 minutes.
What would people generally expect the average power usage to be when on standby?
FWIW The comments in this thread about low signal could certainly be relevant. I do have pretty low signal at home and I did leave the phone in a slightly different place last night (where it could have had a better signal than the two nights before).
My current hypothesis is that
Something in Mobile Shell is causing the network connection to keep alive all night (or is at least turning it on every five minutes).
This coupled with poor coverage in my house is hosing the battery. During the day, with good coverage, the network traffic isn't causing as much of a problem.
Ed

eepyaich said:
FWIW - I've recently been trying to track down a battery drain, too.
For me, though, the drain has correlated with trying out SPB Mobile Shell 3, so that is clearly a likely candidate. However, the drain does seem to be mainly limited to night time.
For example, on Sunday the phone dropped to only around 80% after a full day out and about. However, by Monday morning it was down to 10%.
Similar results on Tuesday night - almost complete drain by the morning.
To see if I could work out what was going on, I installed acbTaskMan yesterday, and set it to log CPU overnight (it periodically logs CPU usage, power drain and the top three CPU users).
Unfortunately, there isn't any *obvious* candidate:
Microsoft "My Phone" kicked in for a couple of minutes and used quite a lot of power (max of 493ma). However, this dropped off once "My Phone" had done its stuff.
A lot of the time, its actually acbTaskMan which is the top user of CPU (probably unsurprising, given it is monitoring and logging).
There does seem to be a bit of residual network traffic - every five minutes (or so) there are a few UDP and TCP packets being sent.
Overall, the average reported power usage was about 113ma (with the max being 493 and the min being 5!). However, the reporting period seems a little odd - most of the time it reports every 5 seconds, but there are a few periods earlier in the night where there are gaps of up to 5 minutes.
What would people generally expect the average power usage to be when on standby?
FWIW The comments in this thread about low signal could certainly be relevant. I do have pretty low signal at home and I did leave the phone in a slightly different place last night (where it could have had a better signal than the two nights before).
My current hypothesis is that
Something in Mobile Shell is causing the network connection to keep alive all night (or is at least turning it on every five minutes).
This coupled with poor coverage in my house is hosing the battery. During the day, with good coverage, the network traffic isn't causing as much of a problem.
Ed
Click to expand...
Click to collapse
you might want to try this.
Under MyPhone, disable the Current Location.
Under HTC Settings->Location, disable all the location information.
See whether this helps?

Thanks - this is a good idea.
However, I think I may have uncovered a more fundamental (and dumb) cause. Somehow (probably user error, but I'd like to think some nefarious impact of installing the SPb stuff), my "peak" times for Activesync had been changed from 8am to 6:30pm, to 8pm to 6:30pm. This completely explains why my connection kicked in every 5 minutes overnight (as this is what my "peak" exchange sync is set to).
Having fixed that (!) I'll see whether my power usage is miraculously better tonight! If not, I'll give the location stuff a go too!
Ed

Checking mail all night is not a good idea!
Ahh yes - much better now. I went to bed at 80% battery and woke up at 70%.
The task manager log has logged far fewer points (only 300 logs over 7.5 hours, as opposed to the 5400 that I'd expect if it were logging every 5s), which I guess indicates that most of the night my phone was in "deep standby", or whatever one might call it.
FWIW I certainly recommend acbTaskMan as the logs it produces are very handy to spot what is going on for this kind of thing. For example, even in a low battery drain night I can spot exactly when various services are using the network (e.g. checking mail, Google Maps updating its latitude stuff, etc.)
Ed

I noticed somethin strange last night.
The battery was still for 63% full when I turned the device off (Yes, really turned it off!) and still next morning the battery was completely empty!
Now how is that possible? I do have two batteries, which do exactly the same, so I could test this with the other one, but this seems to be seriously wrong!

I had a similar problem with Sprint. after several trial errors, I traced the problem to the Verizon radio (2.23) I used after SIM unlocking. I went back to sprint 1.96 and voila. Since then now I have moved to Sprint 2.32WU and it works even better.
Another battery saver is this trick "disconnect network when idle for 1 min timeout":
http://forum.ppcgeeks.com/showthread.php?t=69185

Had same thing happen...new tilt (1 month old) got hot and drained battery in 3 hrs with no use! I believe its a GPS program such as googlemaps or Trapster that caused it. A soft reset and im golden. Hate having to soft reset all the time

see this often, almost always because gps is running and did not shutdown when the program using the gps was closed. Chartcross GPS test will show you if the gps is running or not and usually will allow you to exit, and stop the gps induced battery drain. I have gotten in the habit of doing soft reset after using tomtom or google maps, to ensure that GPS is off.
At least for at&t devices, gps is the culprit for huge battery drain, hot to the touch. I will add that little or no signal to the phone will do the same thing. When I am in marginal coverage area, I turn off 3G and that seems to stop the excessive drain and heat build up due to low signal strength.
Not straightforward, for sure and one has to pay attention to the device, or when you need it most, the battery is done.

Battery doesn't last long. should i change it?

Ok, my battery is weird it doesnt last long. it dropped from abut 95% to 70% over night, with checking email every 30 minutes with k9 and the mail app every 4 hours. My phone doesn't last very long either, I haven't tested it fully. I always keep charging it, when im in the house.
I bought it from T-Mobile and i could swap it. Should I?
Jason

Might be worth it, I have Friendstream updating default setting, Googlemail (although it's push) on at all times, browsing a fair bit (on mobile net and WiFi) and a few calls and it last 2 days-ish...I'm using a generic Desire on latest FW

Mine's the same. I didn't think it would be worse than my old BB Bold for battery life, but it really is very poor. I don't think you have a fault, it's just the way it is.
I wondered about closing background apps but I've read that having them open doesn't impact battery life. I do have a few background things going on though that will affect it, so maybe I need to consider if I really need them or not (frequent email syncing, contacts/calendar syncs, etc.).

EddyOS said:
Might be worth it, I have Friendstream updating default setting, Googlemail (although it's push) on at all times, browsing a fair bit (on mobile net and WiFi) and a few calls and it last 2 days-ish...I'm using a generic Desire on latest FW
Click to expand...
Click to collapse
Have you put the phone down for long periods in-between uses, or have you spent a fair time writing emails or just playing with it? I've spent a fair time on mine but not constantly, and no more than I used to with my BB Bold. I used to writing emails constantly on my Bold and the battery would last a good day, but until I'm used to this keyboard I won't be doing that on my Desire.

So It won't make a difference if i swap it? I also didn't do the standard charge at the start. Couldn't resist playing with it. So It was on charge while playing with it. Could that make a difference?

I'm in work a lot and I'm not constantly on it - just check for emails/SMSs every hour or so so prob spends a lot of the time in standby. I'm on it more on the weekends but it still lasts well into day 2

sharp910sh said:
So It won't make a difference if i swap it? I also didn't do the standard charge at the start. Couldn't resist playing with it. So It was on charge while playing with it. Could that make a difference?
Click to expand...
Click to collapse
If it works otherwise then I doubt there is a fault that would cause the battery to run down but nothing else not to work.
Not charging the battery at the start is one of those things that some say makes a difference, other say it doesn't. With Lithium-Ion batteries I always thought they didn't need that initial charge, but I can't say for sure. Anyway, what might help is if you did a full charge then a complete discharge (use it until the phone turns off) then a full charge again. With older batteries at least, that tended to help them last longer.

There a a few threads on this alread here and on the Android Forums.
There is a problem where the phone when charged left on, only goes upto 98%. However the phone will soon drop to 90% and lower quickly, indicating the phone has not charged properly.
If you unplug and reconnect, it will go back to 100% but almost as quick as tying your laces, it will go from 100 to 98% and continue to drop.
It could be faulty batteries.
I was hoping the FW update would fix but it hasn't as I found out last nite.

Or should I just buy another battery?

I've been having similar issues,
I get much much better battery life without mobile networks on, and alot of application crashes/phone reboots to get it work like I expected.
Took some data:
1hr of phone in sleep mode w/ mobile internet on = 4% battery
1hr of phone in sleep mode w/out mob internet on = >1% battery
So I can get a good two days if I don't have any internet with moderate use, but about 16 hours with internet always on and moderate usage. If I really 'rag' it and use alot, I can get about 50% done in a few hours (not constant use either, just alot of google goggles mainly!)
This coupled with the crashes and reboot made me get an exchange, I'm just hoping it's better, and really hoping its not worse..
Wish me luck, I wish you all the same.

After couple weeks my original battery seems to last longer - I do with 1,5 days now (with some browsing, 3G, occasional GPS and bluetooth, weather & gmail sync, dl apps from market etc). So it might be true that after the initial couple weeks of usage and charging the battery performs much better.
Intrestingly T-Mobile promised to send me a new battery over a week ago. As it never arrived I called them and was told they dont have any... but they would credit my account with £20 to buy one. Today... I received an extra battery from T-Mobile!!! No idea what is going on - and if I still have that £20 credit in my account
I will give that new battery a loooong first charge, see if it helps.

what about the 3000 mAH batteries?
Are they any good and would it work for the Desire?
can be found at the htcdepot.com

jannen said:
After couple weeks my original battery seems to last longer - I do with 1,5 days now (with some browsing, 3G, occasional GPS and bluetooth, weather & gmail sync, dl apps from market etc). So it might be true that after the initial couple weeks of usage and charging the battery performs much better.
Intrestingly T-Mobile promised to send me a new battery over a week ago. As it never arrived I called them and was told they dont have any... but they would credit my account with £20 to buy one. Today... I received an extra battery from T-Mobile!!! No idea what is going on - and if I still have that £20 credit in my account
I will give that new battery a loooong first charge, see if it helps.
Click to expand...
Click to collapse
Won't help, once it's at 100% the charging will stop. There is no such thing as 'long charging' li-ion batteries or 'trickle charge' a li-ion battery.
You can try to do a full first charge (until the green light burns) and then fully discharge (until the phone goes off). Then fully charge again. This will calibrate the battery chip and make sure you see the correct percentage.
If battery life is still no good then it's because you use the phone too much. Read: constant weather updates, friendstream updates, push mail and other stuff that constantly use the mobile connection. Also turn off gps unless you need it.
Turning off those services and turning off the 'always on mobile connection' can double your battery life (read: standby time).
It's not something magical, it's completely normal. If you want the phone to do a lot, it will obviously use a lot of battery.
Just for the sake of it, put the phone in airplane mode. You will be amazed how long it will last.
It's the main problem with modern mobile devices. Battery usage and capacity are no longer in good balance. What we need is more compact batteries that have more capacity.
At the moment it's clearly a comprimise between battery size (thus capacity) and battery usage. It's up to you to see how much you want to comprimise.
And so far, with every HTC phone, after a few (radio rom) updates battery life increased.
And... what everyone seems to forget, when you first get your phone you will fiddle with it.. a lot.. And once you have it for like a week or two, you start using it differently. Usually ending up with better battery life!

Try to run it down to around 5-10% after each full charge, but don't let it go completely dead if you can avoid it. Do this a few times and you will notice an improvement. Plus of course, when the novelty wears off and you use it less the same will happen.
Back when I got my Touch HD it would only just last a day, but by the time I was on the upgrade path I could get 3 or 4 days out of it!

Just to confirm, I was a bit worried at first about the battery life of the Desire. The first 2 days I could only manage to get 7 / 8 hours out of it. When I turned data sync off at night, it still lost 40% of the battery .. doing absolutely nothing.
However as mentioned before, I'm now on day 6 and now I can easily get 36 hours of browsing / texting / calling 2 hours + / even playing occasionally games. At night, without data sync, it drops just 4%.
So if you're worried about your newly acquired Desire's battery sucks, It really needs some calibration. After a few days it'll work as you wish.

T-mob battery
Hmmm.. Not sure what T-mob is up to. They promised me a £20 credit to by a battery (they didnt have any in stock) then I received the battery in post. I called 150 and they confirmed the £20 credit is still there for the next bill...
I couldnt be happier with T-Mob! Besides this I got 100txt/100min, plus 60 min included to Eurasia, Internet and 40 free txt to Europe = all for £10 a month!
Now I just need a case for it... waiting for the PdAir one to come, had one for my Compact IV and loved it. Its the flip one that opens upwards not down, so wont mess with the hardware buttons.

sajcobitsj said:
Just to confirm, I was a bit worried at first about the battery life of the Desire. The first 2 days I could only manage to get 7 / 8 hours out of it. When I turned data sync off at night, it still lost 40% of the battery .. doing absolutely nothing.
However as mentioned before, I'm now on day 6 and now I can easily get 36 hours of browsing / texting / calling 2 hours + / even playing occasionally games. At night, without data sync, it drops just 4%.
So if you're worried about your newly acquired Desire's battery sucks, It really needs some calibration. After a few days it'll work as you wish.
Click to expand...
Click to collapse
I really hope that's the case...
I got my Desire on Tuesday, first use was on Wednesday.
Yesterday (Friday) I put the Desire into Airplane Mode - I deactived everything. Turned off WLAN, mobile Internet, Syncing off manually before I went into that mode, just to be sure. When I went to bed, I had 72% battery left. When I woke up...50%...seriously, what the f...?!?!
8 hours of doing absolutely nothing uses 22% battery?! It's really annoying at the moment, absoluetly unusuable unless I'm home and know I can plug it in any second. When I'm out, I don't even dare to use mobile Internet, because even without it it only lasts till I get home (no WLAN, no mobile internet, just using it as a "telephone"...).

Eggcake said:
I really hope that's the case...
I got my Desire on Tuesday, first use was on Wednesday.
Yesterday (Friday) I put the Desire into Airplane Mode - I deactived everything. Turned off WLAN, mobile Internet, Syncing off manually before I went into that mode, just to be sure. When I went to bed, I had 72% battery left. When I woke up...50%...seriously, what the f...?!?!
8 hours of doing absolutely nothing uses 22% battery?! It's really annoying at the moment, absoluetly unusuable unless I'm home and know I can plug it in any second. When I'm out, I don't even dare to use mobile Internet, because even without it it only lasts till I get home (no WLAN, no mobile internet, just using it as a "telephone"...).
Click to expand...
Click to collapse
You expect the phone to stay turned on without using any power? This isn't a dumb phone, it is running powerful components and 8 hours doing "nothing" is relatively long time and the power usage of keeping those components powered at idle levels is going to add up no matter what. If you can't bear to turn the phone off if you can't control your usage, carry a charger or battery you should have got a dumb phone.

Bear in mind that the full capacity of the battery won't be reached until several charge/discharge cycles have been done, especially when you are using the battery for the first time on a new phone or on a phone with updated firmware. I noticed this while flashing custom ROMs on a previous handset. I'm sure we will also notice improved battery performance when firmware updates become available.

I really hope that's the case...
I got my Desire on Tuesday, first use was on Wednesday.
Yesterday (Friday) I put the Desire into Airplane Mode - I d
Click to expand...
Click to collapse
You expect the phone to stay turned on without using any power? This isn't a dumb phone, it is running powerful components and 8 hours doing "nothing" is relatively long time and the power usage of keeping those components powered at idle levels is going to add up no matter what. If you can't bear to turn the phone off if you can't control your usage, carry a charger or battery you should have got a dumb phone.
Click to expand...
Click to collapse
So you wanna tell me 20% battery loss in 8hrs airplane mode is normal? I hope not.
Sent from my HTC Desire using Tapatalk

JPC battery life

I know it ibeta before you all start on me, however 15 minutes of web browsing = 10% loss of battery. At that rate my phone will be dead an hour and half of web browsing
When the phone is just on stand by battery life is fine
Hope they fix this when the "official" release comes out

Wow where did you learn maths?

BETA Roms effect the mind.

Jamiec902 said:
I know it ibeta before you all start on me, however 15 minutes of web browsing = 10% loss of battery. At that rate my phone will be dead an hour and half of web browsing
When the phone is just on stand by battery life is fine
Hope they fix this when the "official" release comes out
Click to expand...
Click to collapse
i think it will be 150 minutes and that's not 1,5h
btw
my phone: few calls, some games - 1,5 day and still 27% of battery

icemac said:
i think it will be 150 minutes and that's not 1,5h
btw
my phone: few calls, some games - 1,5 day and still 27% of battery
Click to expand...
Click to collapse
My phone: lots of calls, few minutes wireless =1 day and still 70%. No web browsing.

Agreed 150 mind isn't 1.5hrs. But still bad!

Jamiec902 said:
Agreed 150 mind isn't 1.5hrs. But still bad!
Click to expand...
Click to collapse
the screen needs lots of power, processor needs to,
everything needs the power
look it is same like brand new commputer (whit very good graphic card, processor, memory, MB) - you need good and strong power supply without it is crap ...
if you need good long working phone buy something else like :hmm: i dont know what maybe NOKIA with small BW display
no offence

I noticed on the JPC the battery drains soooo fast!
did a full charge while the phone was off today and also deleted the battery stats.. lets see if it improves

icemac said:
the screen needs lots of power, processor needs to,
everything needs the power
look it is same like brand new commputer (whit very good graphic card, processor, memory, MB) - you need good and strong power supply without it is crap ...
if you need good long working phone buy something else like :hmm: i dont know what maybe NOKIA with small BW display
no offence
Click to expand...
Click to collapse
I love my SGS and will not being going back to Nokia, also love andriod - just hoping the official release will let me have use for one full day - not too much to ask I dont think

I get 2 days of moderate to high usage with JPC. I think it uses less battery because the GSM signal is better, but the screen uses more power, is always over 90% in battery stats.
Sent from my GT-I9000 using XDA App

For me it all comes down "display on" time.
if using 3G/edge i get 4,5h
if wifi then 5,5h (no difference if im using it during 1 day or 4 days)
JPC is same as JP3 or JMx

Screen brightness
Just thought I'd say, incase you didn't know, the web browser has it's own brightness setting. That could be killing the battery.

I, for one, already set the brightness to the first level for all aplications that have brightness setting, and still the display sucks the battey like crazy, at list with JPC. With other FW it drops even to 40%.
Sent from my GT-I9000 using XDA App

speaking of GSM, w/c one is 2G mode for the Galaxy S.. GSM or WCDMA ?

earlz said:
speaking of gsm, w/c one is 2g mode for the galaxy s.. Gsm or wcdma ?
Click to expand...
Click to collapse
gsm = 2g
wcdma = 3g

Battery drain was ridiculous with me. The first night I went to sleep I remember my phone was nearly fully charged, when I woke up at morning it had used around 50%... that is, 50% of the battery for around 6 or 7h just sitting in IDLE! When I actually USED the phone it could barely handle 10h with a full charge, and that's with very moderate usage. I had to leave the phone charing all the time to survive a day with it (charging in my car, charging every time I stopped near an AC outlet, etc). And yeah, the funny thing was noticing how exaggeratedly high the screen battery drain was, even though I wasn't using the screen all that much...
Some other symptoms of the high battery drain:
-Charging the phone took FOREVER with the phone being used, took a LOT of time with the phone sitting Idle, but if I turned the off the battery would actually charge very fast... that proved that the phone was draining so much energy even the AC charger (or USB outlet) couldn't effectively charge the battery while supplying power to the phone...
-The phone got HOT very easily...
How did I solve it?
Well, yesterday I decided I would reflash my device. I did a full reflash (as I always do) including a re-repartion. Now the funny thing that I noticed was that my phone actually wouldn't flash! It would always crash at the Galaxy S welcome screen... I have never flashed it using my notebook (since I'm traveling), but I used the exact same procedure I always use with my desktop back home, for some reason it wasn't working. Maybe some corrupt file? I re-downloaded ALL files (that is, Odin with the 803 pit file, and the JPC files)...
For my surprise, this time my phone hanged in a green screen, and it was really scary. I even thought perhaps the Nokia USB cable I was using was causing some kind of incompatibility problem, but that would make no sense at all... so I entered the recovery menu in my phone and reset EVERYTHING, and tried flashing it one LAST time (this time closing ALL background apps in my notebook, to avoid any problems)... and there it went, a perfect flash, as easy as they go with my desktop PC back home.
1st thing I did was a hardreset, and then I reflashed it again with Doc's RomMod V2 (was using V1 the day before), and new hardreset in the sequence. Then I changed as little as possible in the phone configurations, I just turned everything off (GPS, wifi, and even the data connection through the power button shortcut), and went to sleep...
For my surprise, the next day I checked the phone's battery use, it had drained only ~4-5% for more then 10hours, this means it would, at least in theory, be able to last for days and days in this setup...
So I installed my apps again (not that I have many), did lagfix, turned widgets and network connection back on... and it has been working like a breeze, although battery drain can still be considered high, it's nowhere close to being as bad as it was before I flashed it, now at least the battery will last a full day with a charge @ my standards of usage, that's good enough for me...
One thing I did change, I remember my screen setup was always at 10/30min for shutdown, I left it like that because I'm always using the phone in situations where the screen will constantly shut down at my face, and that annoyed me... well, this time I actally left the stock 30 seconds for screen shutdown, not sure if it has anything related, but one of the things I noticed before was that my IDLE battery-drain was as high as you'd expect from a phone that had it's screen on all the time... maybe some bug makes the phone drain screen power even with the screen turn off, let's say if you have the 30min turn-off config, your screen will continue to drain power for 30min (and there you have the reason for so much screen draw in the stats), even though the screen is turned off... despite my hardware knowledge telling me that a black screen should NOT be draining power from your phone battery, you never know how far a software bug can fck things up hardware-wise, so I wouldn't be surprise if that actually DID happen...
I could even try setting my screen back to 30min-turnoff just to check if the battery drain will go back to insane levels.. but the fact is that I'm scared of messing it up again, it's working fine the way it is, why mess it up? I figured out some things that get messed up with this phone appear to only get fixed with a new firmware flash, and I really don't feel like having to flash my phone every two days...
Either way, I hope others here can fix their battery drain... it's just my tip: try reflashing, leave everything as stock as you can (only thing I did was Doc's RomMod v2, and later Ryan ZA's lagfix, none of them seem to be related to JPC's battery drain), and see if it helps...

wth I can only get 3.5 hours max
Sent from my phone so excuse the spelling errors

After a week of using JPC I don't see any real difference in battery usage from the original stock rom and JP3, I charge the phone every second night ( battery is usually around 25% at this point).
My usage isn't that high, I have a couple of notifications running and a weather widget that updates hourly, its my alarm clock, my mp3 player to and from work (about 90 minutes a day), I make and receive 4-5 calls a day and send and receive a dozen texts a day, I check face book 3-4 times a day and on a daily basis someone gets a 10-15 minute demonstration of the beauty of this phone(note: don't let a taxi driver play with your phone whilst in heavy traffic, even if it gets a confession that it makes his iphone look like a piece of crap).
As far as screen time outs are concerned, I set mine at 1 minute but always turn the display off manually when I finish doing something with it including after I have started the music player (btw I use bluetooth headset to listen to music but not for phone conversations).
The highest display percentage I have seen is about 85% but the is usually tied in with using gps or browsing, on a day I don't use gps or browsing display is much lower, on a day that the display is pretty much off it drops to about 10-15% usage.
This phone is the first, of the several pda/smart phones I have owned over the years, that I haven't had to charge every day.

Id battery usage is not a problem for me on JPC, 8hrs idle ( sleeping ) and I still got 100% started to use the phone and it rapidly dropped.. now im playing a 2hr movie and see if i can get it to loop for 2-3 times before it shuts off.. if it reaches 6hrs then i would consider the battery usage the same.

Please turn off the GPS and a-GPS....
You will get a much better battery life.....

[Mango] battery drain

follow this steps for some reason if u experience battery drain in mango
1.- Turn off the phone and pulled out the sim card.
2.- Turn on the phone without the sim card. (Why?, eerr...i don't know!)
3.- Turn off the phone again and reinstalled the sim card.
4.- Finally, turn on the phone.
Please let us know if it worked for you

I've just done it.
I'm a bit skeptical if this method actually improves anything...
Let's see tomorrow how it goes...
I'll post the result here.

The best way to resolve battery drain issues is by resetting Mango after its flashed. I did that with mine and the battery stopped pouring out like a rain drain to just sipping a fine wine.

MartyLK said:
The best way to resolve battery drain issues is by resetting Mango after its flashed. I did that with mine and the battery stopped pouring out like a rain drain to just sipping a fine wine.
Click to expand...
Click to collapse
yes resetting works...but the prob is sometimes the drain comes back...
apparently it has to do with push email and connections..
especially yahoo mail.....maybe the telco is not playing friendly with this one

MartyLK said:
The best way to resolve battery drain issues is by resetting Mango after its flashed. I did that with mine and the battery stopped pouring out like a rain drain to just sipping a fine wine.
Click to expand...
Click to collapse
confirm, it works.
Data connection is the problem of battery drain if we've got data connection off, wifi off, location and bluetooth off battery drain is minimal, I can say 1-2% per 5/6 hours in sleep (during night) with data connection (during sllep) about 5-10% in the same time

MartyLK said:
The best way to resolve battery drain issues is by resetting Mango after its flashed. I did that with mine and the battery stopped pouring out like a rain drain to just sipping a fine wine.
Click to expand...
Click to collapse
I did that anyways cause everything was amuck after the update. My HD7 gets like 4 hours battery life while browsing on a full 3G connection. And that's not a 4 hours of having the screen on/using it, either... Already tried a different battery, no change.
Yes, the data connection drains a colossal ton of battery, not helped by this phone's small battery size.
They need to add quick toggles for GPS, Bluetooth and stuff like that. 3rd party apps clutter up my app menu so I don't install those. Just need a quick toggle somewhere, or add the command to the voice recognition system ("GPS Off/On", "Bluetooth Off/On", etc.).
It's much easier for me to manage battery on the Vibrant because Turning off Superfluous features like WiFi, GPS, and Blue Tooth are only a swipe and a tap away. Not so much on WP7. I never turn off my data connection, so I'm confused why Microsoft added a Data Connections app, but nothing for GPS, WiFi, or BT. Just need to add in some toggles somewhere... that are easily accessible.

I don't understand how you get 4 hours when I play music/podcasts all day at work, text all day, use apps, and go online & my HD7 makes it through at least my 9 hour work day
Sent from my HD7 using Board Express

apparently sim issues in the OS cause battery drain problems
THis is a problem found , even in IOS and android
Wp7 should be no exception

I own a Focus and I started a thread exactly because I found a similar issue. However, the "drain" wasn't present in 7660 (Mango beta).
Indeed, data connections have a 10-20% negative impact on battery life compared to beta (at least on my Focus), but the heaviest drain I got from apps that run in the background. Once I disabled those, the boost is more than noticeable.
I will also try what OP described. Btw, how/where did you get to that?

EnderPsp said:
I own a Focus and I started a thread exactly because I found a similar issue. However, the "drain" wasn't present in 7660 (Mango beta).
Indeed, data connections have a 10-20% negative impact on battery life compared to beta (at least on my Focus), but the heaviest drain I got from apps that run in the background. Once I disabled those, the boost is more than noticeable.
I will also try what OP described. Btw, how/where did you get to that?
Click to expand...
Click to collapse
well i did it works, i am not sure how but such a procedure , may reset something in the phone
maybe some issues with signal.

Well for me it did nothing...
@EnderPsp:
Last week I disable the apps that are running in the background and I noticed a small boost in battery perfomence.

HRQ.SLV said:
Well for me it did nothing...
@EnderPsp:
Last week I disable the apps that are running in the background and I noticed a small boost in battery perfomence.
Click to expand...
Click to collapse
i also did this at the same time
refer here
http://forum.xda-developers.com/showthread.php?t=1302541
running the taiwan SEA rom
flashed it a few weeks ago
Tried restoring in zune to nodo
it seems microsoft does not want u to go back to nodo
anyone can confirm?
the phone restarts with the black screen of the phone connected to computer picture . Says restoring , then throws up an error and restarts to normal
But something peculiar happened. My battery life improved after this error message. not sure why..
has it got something to do with zune "resetting" ot "modifying the phone??

FiyaFleye said:
I don't understand how you get 4 hours when I play music/podcasts all day at work, text all day, use apps, and go online & my HD7 makes it through at least my 9 hour work day
Sent from my HD7 using Board Express
Click to expand...
Click to collapse
Either you are lying, or you are mistaken and are talking about another phone.
Because Mango won't last that long.

FiyaFleye said:
I don't understand how you get 4 hours when I play music/podcasts all day at work, text all day, use apps, and go online & my HD7 makes it through at least my 9 hour work day
Sent from my HD7 using Board Express
Click to expand...
Click to collapse
I never said I understood. I just know that the battery drains ridiculously fast and I lost over well 10% an hour, easily. When it's at 67% the battery saver says 2 hours remaining, and it's not lying. It has worse battery life than a cheap laptop.
Unusable as a daily driver because it dies way too damn fast.

I wouldn't call it horrible on my Focus, but it is definitely more of an issue than it was with NoDo. Following the same usage patterns as before I am lucky to get 12 hours out of a charge, where on NoDo it would just barely last through a 16 hour day. So I either charge it midway through the day, or don't use it as much. Right now I'm not using it as much .

I found change the Brightness to low instead of Automatic saves a lot of battery usage, I am so surprised.

xflier said:
I found change the Brightness to low instead of Automatic saves a lot of battery usage, I am so surprised.
Click to expand...
Click to collapse
Yeah but in daylight you can't really see it then. Which is too bad.
I actually would've thought that the Focus would have a better battery as they have the AMOLED going on.

xflier said:
I found change the Brightness to low instead of Automatic saves a lot of battery usage, I am so surprised.
Click to expand...
Click to collapse
I found that out many months ago. I don't know if it makes a difference on all phones, but it significant on the Focus. Unfortunately, my Mango battery drain observations are with the brightness already on Low.

The Focus has a Super AMOLED screen, which has 5x the outdoor visibility and 20x the viewing angles of the HD7. That may work for that phone, but it would make the HD7 unusable for me outdoors; and I'm assuming many other people. It only has an LCD screen. With automatic brightness I can already see my own reflection in the screen more clearly than the actual phone/OS images...

"The Focus has a Super AMOLED screen, which has 5x the outdoor visibility and 20x the viewing angles of the HD7. That may work for that phone, but it would make the HD7 unusable for me outdoors; and I'm assuming many other people. It only has an LCD screen. With automatic brightness I can already see my own reflection in the screen more clearly than the actual phone/OS images..."
this makes me feel better that I picked Samsung phone, I was regretting Samsung focus because It randomly reboot and also after 10-15 mins HD video recording, I suspect it is quality issue.

Battery consumption on Froyo2.2

I just replaced my battery and noticed it doesn't go beyond 4 - 5 hrs. So I was wondering if the battery has an issue or something. Can everyone using Froyo 2.2 state their battery life, please, mentioning also your phonel type.
I use a Touch Pro 2 from Sprint, that is RHOD500.
Thanks for your responses.
Sent from my MSM using the XDA mobile application powered by Tapatalk

First the TP2 from Sprint is a RHOD400.
Second, it highly depends on usage. Lots of phone calls? Browsing? Streaming video, etc? 4-5 hours isn't bad then. If the phone is sleeping 100% of that 4-5 hours, NO radios (cell, wifi, bt, gps, etc) then that's pretty bad.
I typically get 6-10 hours (again usage ^^). Mostly idle, 10 hours. More browsing, videos, phone calls... closer to 6. I try to stick near a charger.
The port is far from perfect. The battery meter is off, and there's probably some places where power management could use some help - but it'll never sip batteries like WinMo does. WinMo is doing nothing basically, and Android isn't so great on native devices batteries... so I'm not exactly surprised Android sucks my battery dry.

arrrghhh said:
Android isn't so great on native devices batteries... so I'm not exactly surprised Android sucks my battery dry.
Click to expand...
Click to collapse
I've had my lady's HTC Desire running Android in no-sim mode for three days now. Looks like it might need a charge later today. I did a 40 minute stint using the GPS and a mapping program during that time.
Suggestion to OP: Keep the backlight low, and on a short timeout. Also, disable the high speed network when you don't need it. Especially if the phone hops between high and lower speed networks frequently. Also, the battery might improve a bit after a few charges/discharges. Is it an OEM battery or a cheap knockoff?

Twice as short as in Windows
I really love Android on my TP2 and I'm amazed how well it's running on it. Really impressive, the only thing I'm less happy with is the battery usage. Even on stand-by it lasts at less then in Windows mode.
I've been comparing it now for a few days: I can do at least 1 day with a charge in Windows mode (sometimes even 2 days), but in Android mode I have to change before lunch time and before dinner to get through a day. Even while doing more or less the same things. (Turning off WiFi, GPS, sync etc do not seem to save much).
So, I'm afraid that I can only enjoy Android while there is power outlet nearby. This is really too bad as I would simply love to get rid of the whole Windows install.

map-maker said:
I've had my lady's HTC Desire running Android in no-sim mode for three days now. Looks like it might need a charge later today. I did a 40 minute stint using the GPS and a mapping program during that time.
Suggestion to OP: Keep the backlight low, and on a short timeout. Also, disable the high speed network when you don't need it. Especially if the phone hops between high and lower speed networks frequently. Also, the battery might improve a bit after a few charges/discharges. Is it an OEM battery or a cheap knockoff?
Click to expand...
Click to collapse
Well with no SIM in of course it would last days. One dev found our port could run 65+ hours in this manner...
GerardNL said:
I really love Android on my TP2 and I'm amazed how well it's running on it. Really impressive, the only thing I'm less happy with is the battery usage. Even on stand-by it lasts at less then in Windows mode.
I've been comparing it now for a few days: I can do at least 1 day with a charge in Windows mode (sometimes even 2 days), but in Android mode I have to change before lunch time and before dinner to get through a day. Even while doing more or less the same things. (Turning off WiFi, GPS, sync etc do not seem to save much).
So, I'm afraid that I can only enjoy Android while there is power outlet nearby. This is really too bad as I would simply love to get rid of the whole Windows install.
Click to expand...
Click to collapse
C'est la vie, read above. Android will never, ever be as frugal with your battery like WinMo is. Which do you want, Android and crappy battery or WinMo and good battery? Choice is yours, no one is forcing you either way. Can't have both tho.

arrrghhh said:
WWhich do you want, Android and crappy battery or WinMo and good battery? Choice is yours, no one is forcing you either way. Can't have both tho.
Click to expand...
Click to collapse
I've actually been pretty happy with FRX7.1 and battery life. I'm consistently getting 24+ hours with my usage (mostly data, some talk).
WinMo would easily go 50% more, but a full day is enough that I can forget to put it on the charger at night and not be dead in the morning.
FaluSeyi - If it's not direct usage I would check to see if you have GPS accidentally turned on, in my experience that seems to be the thing that kills my battery if I forget to shut it off when I'm done using it.

First the TP2 from Sprint is a RHOD400.
Click to expand...
Click to collapse
Blame the guy that changed the phone casing before I was given the phone. lol. The front says Sprint and under the battery cover it says xxxRHOD500.
Second, it highly depends on usage. Lots of phone calls? Browsing? Streaming video, etc? 4-5 hours isn't bad then. If the phone is sleeping 100% of that 4-5 hours, NO radios (cell, wifi, bt, gps, etc) then that's pretty bad.
Click to expand...
Click to collapse
I rarely use BT, cell and messaging are my regulars and of course data. wifi doesn't work, though I wonder if it ever goes off. That leaves GPS, which I think is almost always on.
Thanks, y'all!
Sent from my MSM using the XDA mobile application powered by Tapatalk

FaluSeyi said:
Blame the guy that changed the phone casing before I was given the phone. lol. The front says Sprint and under the battery cover it says xxxRHOD500.
Click to expand...
Click to collapse
Well if you know this, then say that. Your first post would make me think that the Sprint TP2 is a RHOD500, which simply is not true.
FaluSeyi said:
I rarely use BT, cell and messaging are my regulars and of course data. wifi doesn't work, though I wonder if it ever goes off. That leaves GPS, which I think is almost always on.
Click to expand...
Click to collapse
Wifi works fine. GPS is broken to always on, read the FAQ. That's the reason your battery life sucks, you don't know how to read!!

arrrghhh said:
Wifi works fine. GPS is broken to always on, read the FAQ. That's the reason your battery life sucks, you don't know how to read!!
Click to expand...
Click to collapse
The FAQ says something about getting a position fix, but I couldn't see anything about switching it off. How is that done? Or can't it be done?
The Desire ran 92 hours before it demanded a charge up, including the 40 minute stint on GPS + program with always on backlight. 10 month old OEM battery used daily.

map-maker said:
The FAQ says something about getting a position fix, but I couldn't see anything about switching it off. How is that done? Or can't it be done?
The Desire ran 92 hours before it demanded a charge up, including the 40 minute stint on GPS + program with always on backlight. 10 month old OEM battery used daily.
Click to expand...
Click to collapse
It's a bug with our port. Once GPS is turned on/used, it is 'stuck on' until you manually turn it off. This bug is fixed in the new GB build.
You couldn't see how to turn it off? Settings --> Location & Security. Wow... from a native device owner, I'm kinda surprised.

New GB build? Nice news... I thought it was a dead project by now

zooster said:
New GB build? Nice news... I thought it was a dead project by now
Click to expand...
Click to collapse
Ye have little faith!

arrrghhh said:
You couldn't see how to turn it off? Settings --> Location & Security. Wow... from a native device owner, I'm kinda surprised.
Click to expand...
Click to collapse
Heh, it 'just works'(tm) and I haven't had to turn it off manually.

arrrghhh said:
Ye have little faith!
Click to expand...
Click to collapse
Faith is the last thing to die...