Develop Bugs

HTC One X - Battery Calibration after flashing

I'am confused about calibration of the battery after flashing a new ROM.
Do I have to calibrate it every time after flashing or, is it already calibrated?
PS. I wiped out every thing on my phone before flashing a new ROM. I think it would delete everything including battery data and that means it is calibrated, right.
To calibrate the battery, can I use one of the applications on the android market. ( there are a lot of them)
Thank you in advance
PS2. Are there other ways to calibrate the battery?

I had exactly the same thought today as I was flashing my ROM.
I guess it's going to be finding out where the battery stats are stored, if they are somewhere in the areas that get wiped during a ROM flash then yeah, we are probably going to have to wipe the stats at full charge.
I will be watching this to see if anyone else replies.

khom27820 said:
I'am confused about calibration of the battery after flashing a new ROM.
Do I have to calibrate it every time after flashing or, is it already calibrated?
PS. I wiped out every thing on my phone before flashing a new ROM. I think it would delete everything including battery data and that means it is calibrated, right.
To calibrate the battery, can I use one of the applications on the android market. ( there are a lot of them)
Thank you in advance
PS2. Are there other ways to calibrate the battery?
Click to expand...
Click to collapse
You should calibrate after a flash, just charge it overnight so its completely full then then use battery calibration app from market or do.it manually using Es file explorer, go to data/system and delete batterystats.bin. restart phone and it will generate a new batterystats.bin file. Job done
Sent from my HTC One X using xda premium

Thank you very much for the answer.
Actually, I think that this topic should be warned for new users (like me) so that they will not confuse about the battery life.

There's really no need to wipe the battery stats. A google engineer explains it all here:
http://www.xda-developers.com/andro...-battery-stats-does-not-improve-battery-life/

Hello, the person at Google talk about the "wiping battery stats in order to improve battery life."
That is not the good description.
It should be : "wiping battery stats in order to improve battery calibration."
I would be interested by asking Dianne Hackborn how she explains the fact that the battery level goes straight from 85%~90% to 100% in some HOX ( Mine does ).
"Technically" the Li-Ion just can't have this behaviour at "low rate charge" ...
so this charge graph behaviour is a software behaviour due to some code that adjusts the charge at 100% when battery just can't charge anymore.
Here is an example of a "standard" Li-Ion charge with a good charger :
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
( Source, not a phone battery but a Li-Ion battery ... )
The black curve is the one we should get on our devices ... I don't get this.

Daley87 said:
You should calibrate after a flash, just charge it overnight so its completely full then then use battery calibration app from market or do.it manually using Es file explorer, go to data/system and delete batterystats.bin. restart phone and it will generate a new batterystats.bin file. Job done
Click to expand...
Click to collapse
So just deleting the file and rebooting at full will do it? Is there any benefit to something like the following procedure (found from another forum)?
1. Once your phone dies plug it into your HTC charger, (DO NOT TURN IT ON)
2. Let it charger fully (about 3 hours) until you see the light turn green, unplug the phone
3. Turn on the phone on but do not mess with it. (no checking email, messages, etc) let it sit for about 20 to 30 min
4. then plug it in again but let it continue to sleep (about 30 min)
5. once the light is green, unplug and your finished.
Click to expand...
Click to collapse
I ask because I found it on another forum. My battery life is pretty ****ty right now and I'd like to fix it.

The file is reset when you reach full charge. No need to do anything.

BenPope said:
The file is reset when you reach full charge. No need to do anything.
Click to expand...
Click to collapse
Good info, thanks!
Btw, do you have any info regarding my above inquiry about actually letting the battery drain? Is there any reason that would help moreso than having the file reset?
Alternatively, do you have any other ideas as to what might be causing my (at least perceived) poor battery life? I'm getting maybe 13 hours on a charge with pretty scant use. CM10 Nightlies.

The file and it's contents have no bearing on battery life. It's only there to record which apps and services have been using battery.
If your battery life is short, it's likely you have something preventing the phone from sleeping.
Example; when I'm in China my battery life sucks compared to Hong Kong. I often notice the synching icon in China. I suspect Facebook sync is not timing out (its blocked in China), preventing the phone from sleeping.
Better battery stats from the play store can help you determine this.

Battery life after Jelly Bean Update

how was your battery life after update . my was suck drain very fast

I don't know how most people got better battery life, but mine worse, not extreme, but noticeable worse.
Android system and Android OS takes second and third place, which on ICS I barely see their place on top of battery usage.

cnguyen said:
how was your battery life after update . my was suck drain very fast
Click to expand...
Click to collapse
my own battery life is mess.

my phone drop about 10% in 15min

Mine is great. But I turn off data when not used. Last night, I lost 1% per hour with data off and sync off
Sent from my Rooted Gameboy

batttery getting better after couple reboot

Best advice, power down after every charge and reboot.
Sent from my SGH-T999 using xda premium

cnguyen said:
batttery getting better after couple reboot
Click to expand...
Click to collapse
Seems the same for me...at first after updating battery life was terrible..but after a few charges and reboots it seems to be getting better.

Download an app from the play store called "CPU Stats" and see if the CPU is under serious load when you're not doing anything. If it is, you may have the same issue I had which was that the media scanner was getting stuck in folders that had a lot of files in them. My idle cpu utilization now hovers between 8-30% on core 1 and core 2 stays sleep for the most part.

Jigga0o7 said:
Download an app from the play store called "CPU Stats" and see if the CPU is under serious load when you're not doing anything. If it is, you may have the same issue I had which was that the media scanner was getting stuck in folders that had a lot of files in them. My idle cpu utilization now hovers between 8-30% on core 1 and core 2 stays sleep for the most part.
Click to expand...
Click to collapse
How did you fix your issue?

dls5375 said:
How did you fix your issue?
Click to expand...
Click to collapse
If you're rooted, look in system/bin on the root directory and see if you have a file named gsiff.daemon (also do the same for qosmgr) If so, add .bak to the end of it.
this will kill the high android usage!
where i got the information from
http://forum.xda-developers.com/show...php?p=34189109
Betterbatterystats will tell you if you have the daemon issue or the gosmgr for my phone the gosmgr was killing my battery

dls5375 said:
How did you fix your issue?
Click to expand...
Click to collapse
I offloaded my Titanium Backup folder to my PC & deleted it from my phone plus made sure to get rid of any corrupted pictures (aimed at the 0 bytes ones). So not only is my battery life better, but the performance is also much better because the CPU(s) aren't really doing anything until I actually use the phone. Note that this is an issue I've only had w/ Touchwiz Jellybean and never had it with CM10 or any AOSP based rom. This is a bug that Samsung/Google really needs to get on top of because I'm sure that a lot of people are having this problem and don't know how to fix it.

dls5375 said:
Seems the same for me...at first after updating battery life was terrible..but after a few charges and reboots it seems to be getting better.
Click to expand...
Click to collapse
This is my understanding as well.

Charged to 100 turned off WiFi sync and mobile data before bed woke up with 2% loss then listening to music on my way to work.
Update : still going
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"lightbox_download": "Download",
"lightbox_share": "Share",
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"lightbox_toggle_sidebar": "Toggle sidebar"
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Sent from my SGH-T999 using Tapatalk 2

My battery life has been amazing
This was after the weekend. Friday Morning I charged it and then I was off I went to work. After I went to a party didn't charge my phone. Woke up in some girls room. Still surprised I had more than 50%. I didn't go home that day and everyone had an iphone so I couldn't charge my baby. Wake up go home and I had this much and I was like wow holy sh**.
Stats: I had a little over an hour of talk time and a little under 2 hours of screen time.
Yeah I know why is battery life good if you don't use the phone but dude seriously I had a GS2 and drainage on standby was so bad. I like that they improved standby battery drainage this was beautiful. I have the latest Stock Jelly Bean. Rooted, debloated myself with stock Kernel. Might add a new Kernel but don't really need to this is just great.

Jigga0o7 said:
Download an app from the play store called "CPU Stats" and see if the CPU is under serious load when you're not doing anything. If it is, you may have the same issue I had which was that the media scanner was getting stuck in folders that had a lot of files in them. My idle cpu utilization now hovers between 8-30% on core 1 and core 2 stays sleep for the most part.
Click to expand...
Click to collapse
dls5375 said:
How did you fix your issue?
Click to expand...
Click to collapse
I was having this exact issue and fixed mine by copying my external SD card contents onto my desktop and then reformatting my sd card. After that I just transfered my old pictures and videos back to my card.
For people who are having poor battery life, the best thing you can do to help others help you is post a screen shot or at least write down what is using your battery and how long you have screen on time. When I was having my media issue it was obvious when looking at the battery usage since my cpu was constantly awake. Just saying "i have poor battery life" really doesn't explain much at all.

That would explain things... I had my media scanner get stuck and take down my battery a couple of days ago... after a reboot though it was much better... Though I should have let this run longer on battery just to see how long it would run.

Ok so since the JB update it seems my battery has been draining a bit faster. I've tried turning off sync and all the other normal stuff but it doesn't seem to help. Here are my stats and the slight lapse on the time line was when I was in CWM doing a nandroid backup.

I don't think that you can compare yours since you did a backup, that always drains the battery more than normal use would.

Well all I can say is its normally like that. I pull my phone off the charger at 7 am and by 4pm its usually at 10% with maybe an hour of on screen time. I'm just trying to figure out why it dies so much quicker than what most people are posting here. I try to keep everything closed and off and I've frozen all the bloatware.
Sent from my SGH-T999 using xda app-developers app

[Q] Phone always charging

Like the title says...
I pull my phone off the charger at 8AM. By 9AM it still shows 100% and still has the charging icon.
Finally at 10AM it drops to ~67%
It started a few days ago... Previously the charging icon would flash on and off every few minutes...
Here's a pic of the battery screen:
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Is it a bad battery? Maybe the phone is going?
Software issue?

@orb360
Give you're battery the spin test... as for the charging icon staying on... could be a dirty port or a connector touching/bent inside the port itself.. strange that it stops.. I'm not sure..
As for the bad reading and then a huge drop... have you recently changed batteries or flashed a rom... I'm kinda at a loss... I once had my battery read off by about 20 percent and I had to wipe my battery stats in recovery to get it to read right , but that was after I replaced my old battery with a bigger one..
Just my thoughts...

It won't spin much... I had a previous battery about 1.5 months ago inflate and had to replace it... ( It actually popped the back off the phone )
I picked this one up at a Sprint store around that time.
Is there a way to wipe battery stats without a custom recovery flashed? I'm running stock 4.1.2
It's a work phone so I'm not really supposed to be flashing custom stuff to it.

orb360 said:
It won't spin much... I had a previous battery about 1.5 months ago inflate and had to replace it... ( It actually popped the back off the phone )
I picked this one up at a Sprint store around that time.
Is there a way to wipe battery stats without a custom recovery flashed? I'm running stock 4.1.2
It's a work phone so I'm not really supposed to be flashing custom stuff to it.
Click to expand...
Click to collapse
Well, You'll have to root your device to wipe battery stats

orb360 said:
It won't spin much... I had a previous battery about 1.5 months ago inflate and had to replace it... ( It actually popped the back off the phone )
I picked this one up at a Sprint store around that time.
Is there a way to wipe battery stats without a custom recovery flashed? I'm running stock 4.1.2
It's a work phone so I'm not really supposed to be flashing custom stuff to it.
Click to expand...
Click to collapse
You most likely need a new battery.
Wiping battery stats... Let's just say that if snopes.com were to cover Android, this would have to be one of their first articles. There is a ton of myths about the unicorn-like magic that can result from wiping battery stats. The truth is, the contents of the batterystats bin file basically tell a part of Sec Settings some information in order to make estimates for displaying numbers in your battery stats (literally, in Settings) - details like screen on for two hours, used 40% of battery... wiping battery stats erases those few lines of information, nothing more. It doesn't somehow alter anything inside a battery, or anything else.</soapbox>
If you want to clear battery stats as it were, no harm in giving it a shot, right? It is very easy to do. Every time you charge and then unplug near a full charge you have reset battery stats. That's why it will all say "0" if you look real quick at the battery stats in your settings - poof, battery stats were reset.
You should get a new battery though. Get work to buy it. Cheers.
[Reference one Google developer's article about "wiping battery stats" here: https://plus.google.com/105051985738280261832/posts/FV3LVtdVxPT]
Edit: Wondering how you'd kill batteries so fast. Do you use your phone a lot while it's plugged in by any chance? Like, watch hours of netflix while plugged in? Just trying to think of how you might be cooking things in there perhaps, so... next battery will last longer than six weeks.

Well...
I'll see if a new battery fixes things... At only a month and a half old maybe the Sprint store will replace it no questions... hopefully...
If I turn off the phone and pull the battery...
If all I do is stick the battery in, it acts like it's charging... The "phone is off" battery charging screen comes on for a few seconds.. Then it shuts off and comes back on. Repeatedly.
So it can't be a software thing if the phone's not even turned on right?

orb360 said:
(snip)
So it can't be a software thing if the phone's not even turned on right?
Click to expand...
Click to collapse
That part is correct. Bad charging port can certainly do that, but the erratic charge status reported as in your previous posts wouldn't be because of a bad charging port, so I do not think your problem is that part of the hardware... It sounds like "classic" bad battery. I would certainly try to argue/plea/demand a replacement battery from Sprint given the short life it had. I don't know off hand their warranty on that sort of purchase, but I'd bring my I-mean-business to the store for sure. I do know they have some discretion at the store level. I'd go in anyway - show them what it's doing, bring the receipt from the battery you just bought, and hopefully get a fix. If there's some other miscellaneous hardware problem creating these problems, it's no longer within my knowledge sphere, lol. Good luck. :good:

I got a different battery to test with and the issues persist
(The charging while disconnected and unable to power on without being connected to a power source)
I've read cleaning the charging port with alcohol might help...
If that doesn't work I'm just going to send it back for a refurb.

No Flash with low Battery

Hi,
Is it normal for HTC phones to block the camera flash when the Battery is low?
I've been out last night and had about 14% battery, when I wanted to take a picture I got this message.
Even deactivating battery safe mode didn't allow for flash
{
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"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
We're there any hacks for this?

Haldi4803 said:
Hi,
Is it normal for HTC phones to block the camera flash when the Battery is low?
I've been out last night and had about 14% battery, when I wanted to take a picture I got this message.
Even deactivating battery safe mode didn't allow for flash
We're there any hacks for this?
Click to expand...
Click to collapse
Yes, in the past under 15% no flash. It was tweaked to 5% before. I forget if its the app, framework, or kernel. I am sure it will get tweaked when devs get the phone and start hacking away.

Haldi4803 said:
Hi,
Is it normal for HTC phones to block the camera flash when the Battery is low?
I've been out last night and had about 14% battery, when I wanted to take a picture I got this message.
Even deactivating battery safe mode didn't allow for flash
We're there any hacks for this?
Click to expand...
Click to collapse
My LG G4 also does the same thing. I'm pretty sure my M7 also prevented flash below 15%
Sent from my LGLS991 using XDA-Developers mobile app

Haldi4803 said:
Hi,
Is it normal for HTC phones to block the camera flash when the Battery is low?
I've been out last night and had about 14% battery, when I wanted to take a picture I got this message.
Even deactivating battery safe mode didn't allow for flash
We're there any hacks for this?
Click to expand...
Click to collapse
Business as usual. Most phones do this. Be glad they do this.
At 15% or below, the voltage of the battery is really low and if you use flashlight, which uses a lot of power = voltage goes down rapidly. And your phone "dies" quickly.

I'm totally fine with my phone dying right after I take this picture! I just want to take this goddamn picture with a flash.

Haldi4803 said:
I'm totally fine with my phone dying right after I take this picture! I just want to take this goddamn picture with a flash.
Click to expand...
Click to collapse
Well good luck charging your phone with non-removable battery if the voltage dips too low.
There's a reason for these limitations and you don't wanna discharge lithium ion batteries past a certain point.
And that's not something which is hard to do with lithium's, if the voltage actually goes too low, the charging circuitry won't necessarily "recognize" the battery at all and refuse to charge.
Maybe there's some amount of trickle charge present so if you keep the phone connected it might be able to revive the battery (bump the voltage high enough for the charge circuit to work)
Though the chances of this are relatively low because most charging circuits are waaaay smarter these days and if there's some amount of trickle charge present, the current is so low it might not have any effect on the voltage of the battery..
But if you end up in that kind of situation, there's already permanent damage done to the cell (battery) and it will affect the battery life negatively.
And I wouldn't necessarily even want to attempt to revive a lithium ion battery which is wrapped around aluminium....

Haldi4803 said:
Hi,
Is it normal for HTC phones to block the camera flash when the Battery is low?
I've been out last night and had about 14% battery, when I wanted to take a picture I got this message.
Even deactivating battery safe mode didn't allow for flash
We're there any hacks for this?
Click to expand...
Click to collapse
At first I must say, I am jealous! How old is your phone now? . Saturn-Onlineshop in Gemany says the phone is available on Monday.
To the problem: I think we have to wait until root and custom roms are available..

lagittaja said:
Well good luck charging your phone with non-removable battery if the voltage dips too low....
Click to expand...
Click to collapse
While you're technically correct it doesn't matter at all.
Phones are idiot proof. If the battery reaches a critical low the phone will shut down.
I doubt that a flash would use so much energy that a battery at 15% would instantly die from it.
AFAIK voltage is pretty persistent until it reaches 5%
It's 3.7V right now at 18%, I'll take a look at 5% and below.
Edit: here it is.
Drops below 3.6V after 3%

I think 5% is a good threshold for blocking flash....15% was probably based on state of affairs 5 years ago. Its another case of software not getting tuned to the times.

Haldi4803 said:
I'm totally fine with my phone dying right after I take this picture! I just want to take this goddamn picture with a flash.
Click to expand...
Click to collapse
So you say now....until your phone dies because of constant snapping, and it doesn't have time to actually process the photos. While it may not take it very long to process the photos, a sudden death might result in a loss of quality.

15% battery and phone is "dead"

Hi guys,
I have a problem with... When battery drops down to 15, my phone turns off, and 46 six aps are being optimized. I'm not alone with this problem, my friend with HTC... has the same. Any solutions?
And now "com.google.process.gapps has been stopped and i must do hard reset.
Help guys.

Do you have a custom rom?

ZpanicZ said:
Do you have a custom rom?
Click to expand...
Click to collapse
Oryginal

I have the same problem, and im on a custom ROM! So annoying

Yea me too. I guess it's my fault or something like this. Sometimes phone can handle 4%, sometimes it'll dead at 11% and so on.

woloss said:
Yea me too. I guess it's my fault or something like this. Sometimes phone can handle 4%, sometimes it'll dead at 11% and so on.
Click to expand...
Click to collapse
The battery meter isn't that accurate, its just an estimation based on the battery voltage versus how you use your phone (and the resulting "typical" battery drain). You shouldn't expect it to be accurate to the being within the 1-2 (or even 5) percent range. Shutting off at 4 to 11% is not unusual, and not surprising.
You shouldn't be draining your battery down that low on a regular basis. Its bad for long term battery life. Good rule of thumb for Li ion batteries is short and frequent charge cycles.
However, optimizing apps and/or google process stopped after a shutdown (due to low battery) is not normal. That's a different matter.

I have this problem, plus some of my settings get reset such as my wallpaper, ringtone, notification tone, boomsound (off to on), screen timeout, screen brightness, whatsapp (keeps asking me to chose my backup options and no messages come through until then). This has never happened before and I'm not sure why it's only happening now. I'm not purposely trying to drain the battery or anything, it's just that sometimes on the road I am unable to charge it and it'll just die out midway when previously, that extra 15% could've lasted me for another 30 minutes, just enough for me to reach my destination.

The same problem.. But the bigger problem for me, it's reseting my settings..

It is a terrible problem , I return to KitKat and my battery reaches 1% , and so normal ... I'll make a test with lollipop .

Yes, same problem! So glad someone made a thread for it. It's frustrating and happens literally every time.
Experienced on both the stock and a custom rom. Any one knows any fixes? Is it because of the 'battery life reduces over time' thing? My phone is 2 years old now

KAiA92 said:
The same problem.. But the bigger problem for me, it's reseting my settings..
Click to expand...
Click to collapse
That seems to be a problem with all htc ones (m7, m8, m9) as they get older, dont worry its normal :laugh:

ive been experiencing this for a while, clear dalvik cache and let android do the whole rebuilding thing at the start and you should be fine...as for the battery fix ive just learnt to live with it, 15% is the new 2%!!!

I'm on this problem since a lot of time, as i was one of the first in the community to report it.
Seems like an end-of-life issue for one m8 and htc one phones line.
In my case i had a camera and charge board issue too, so in rma htc changed them, and now the phone is charging and quick-charging like it must have to. But i have to be careful when near 15% of battery because using camera, flashlight or others power-expensive features instantly turns the phone off, causing a database mismatch on the next boot (for marshmallow) and consequently the loss of data.
If the instant-poweroff occurs during boot, there is a massive loss of data and a lot of force closes on the next boot.
Nothing to do here i think, sadly.

In kitkat and lollipop battery reach at 1% ...
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Sent from my HTC One_M8 using XDA-Developers mobile app

I have a fix for this as it happened to me and I tried a battery calibration app from the app store... I thought what your thinking now but after finding bad sectors and "repairing" it did actually work

solve the problem of battery and loss of settings , change the battery of my htc, now everything is fine , 3 days that the battery is discharged properly , I hope this information will help someone.

thats kinda "cool" to see many people have same problem as i do. atleast it wont run u crazy as before
1. sometimes phone dies when battery is 15%, and sometimes it dies when around 4% 2% or even 1%
2.resetting settings after phone dies!
so is the solution, to change battery? any better way that doesnt need to spend money?

Replace battery
how did you do this? does this actually work?
https://www.fixez.com/blog/how-to-replace-htc-one-m8-battery/

grafik2 said:
how did you do this? does this actually work?
https://www.fixez.com/blog/how-to-replace-htc-one-m8-battery/
Click to expand...
Click to collapse
Yes I've done this a couple of weeks back. The replacement is actually less hard as it seems.
But finding an original replacement battery seems to be pretty hard - Even though the replacement I bought is HTC branded and looks genuine, I feel like it's actually draining a little faster than my old original. 12€ Ebay had too good to be true.
However the instant-shutoffs are now a thing of the past along with the database corruption, so I'm going to have to live with a little less battery life.
Or does anyone know of a provider for genuine batteries?