Develop Bugs

Phone charging really slow??

So my s2 has been charging really slow, like today it took like 5 hours to fully charge, and when connected to charger if I'm using it it wont charge very well, like the battery will stay at lets say 20% when im using it and charging it, it might even go down more. it used to charge pretty well even if I was on it. Cuz this be the charger, or is my battery messed up?? Im using the charger that came with the phone.
Sent from Flip's SGS2

Are you charging through a usb port on your computer or ac? If it is with usb port then yes it will charge at a much slower rate. Also if you have a lot of apps running or backround data going it will also cause your charging to slow down some. I would say through usb without any apps open and backround data stopped It would take a few hours to charge say from 20%. Through AC in the same condition probly 1.5 hours. Try to reboot your phone and then plug it in to charge to see if that doesnt speed it up any. If it does then you know you have backround data moving at a fast rate and that would be your reason to slow the charge down.

Yeah I'm charging with the wall charger, not thru usb
Sent from Flip's SGS2

thats pretty weird...have you tried using another usb cable?? maybe the cable is faulty?

Calibrating the battery
elflip88 said:
So my s2 has been charging really slow, like today it took like 5 hours to fully charge, and when connected to charger if I'm using it it wont charge very well, like the battery will stay at lets say 20% when im using it and charging it, it might even go down more. it used to charge pretty well even if I was on it. Cuz this be the charger, or is my battery messed up?? Im using the charger that came with the phone.
Sent from Flip's SGS2
Click to expand...
Click to collapse
You could try calibrating the battery, maybe. To do that, turn the phone off. Charge to full (make sure it's full, by taking it off of the charger and putting it back on...the indicator should read 100% almost immediately when reattached to power).
When the battery is full, with the phone still turned off, remove the battery for about 2 minutes. After 2 minutes, reinsert battery and restart phone.
Battery will be calibrated. This may not resolve the problem of a slow charge, but will clear 'battery memory' which may have been preventing it from charging completely (and, I suspect, may have inhibited charging).
Good luck!

I was using an aftermarket wall charger and had similar results. Switched to the USB/AC converter that came with the phone and all was well.

sean is here. said:
You could try calibrating the battery, maybe. To do that, turn the phone off. Charge to full (make sure it's full, by taking it off of the charger and putting it back on...the indicator should read 100% almost immediately when reattached to power).
When the battery is full, with the phone still turned off, remove the battery for about 2 minutes. After 2 minutes, reinsert battery and restart phone.
Battery will be calibrated. This may not resolve the problem of a slow charge, but will clear 'battery memory' which may have been preventing it from charging completely (and, I suspect, may have inhibited charging).
Good luck!
Click to expand...
Click to collapse
Yes, try Battery Calibration from the market. Only works on rooted devices, and follow instructions.

Battery Calibration
abctilly said:
Yes, try Battery Calibration from the market. Only works on rooted devices, and follow instructions.
Click to expand...
Click to collapse
Actually, one doesn't need an app to calibrate the battery. If you follow the instructions above, the app is unnecessary. And the phone mustn't be rooted

YODA? ^^^^

Hey elflip88, have you found the issue yet?
I have the same problem on my HTC Amaze 4G. It's charging 1% every 3 minutes (adds up to 5 hours)
I'm also using the wall charger...oh damn, I'm starting to think I have a faulty device / battery...
yelp!

For the record Samsung devices are known to be slow at charging so with that considered.... You still shouldn't be at 5 hrs. I would find a battery stats app charge your battery over night and check the chart to see exactly how long it takes to go from 0 - 100. Make sure your batter status is good. Also check the voltage coming into your phone from your charger. There are plenty of battery stat apps in the market that will do this sort of thing. Of course make sure your battery doesn't have water damage of course too lol.
Sent from my SGH-T989 using XDA App

I've had the same problem with mine. But, I can get 1.5 days without charging and moderate usage. Charge it up, drain it, charge it back up then wipe your battery stats in recovery.

This may help if you're using an aftermarket wall charger
If you guys are having issues with slow charging using an aftermarket wall charger, it could be that the phone is charging in a USB state rather than an AC charging state. QuickCharge could alleviate your issues. The cable is inserted between the wall charger and the USB cable that goes to your phone. You can find the product on Amazon. It's the 2nd of 3rd item from the top when you search 'QuickCharge'.

I find that when I fully drain my battery and charge it, it's really slow. Once the phone has enough battery to stay on, I unplugged it and replugged it and it charges normal again.

elflip88 said:
So my s2 has been charging really slow, like today it took like 5 hours to fully charge, and when connected to charger if I'm using it it wont charge very well, like the battery will stay at lets say 20% when im using it and charging it, it might even go down more. it used to charge pretty well even if I was on it. Cuz this be the charger, or is my battery messed up?? Im using the charger that came with the phone.
Sent from Flip's SGS2
Click to expand...
Click to collapse
It's your wifi and your apps using wifi. Turn wifi off while charging. I used to charge 4 hours + on my S2. Reduced to 2 and some change when I turn off wifi.
Also, I struggle to make it through a working day with wifi on. Turn wifi off and I can do 4 days no problem.

audscott said:
I was using an aftermarket wall charger and had similar results. Switched to the USB/AC converter that came with the phone and all was well.
Click to expand...
Click to collapse
I've had the same problems using an aftermarket wall charger.

I old suggest using a different outlet if you haven't done that yet.
Sent from my SGH-T989 using xda

What? Wifi (while connected) users significantly less power than 3g or HSPA+ (4G) data..
Sent from my SAMSUNG-SGH-I727 using XDA

i had that issue once, it had to do with my ROM i imagne... i flashed a new one and i havent had a problem ever since.

i m using this wall charge and use this battery... it is working fine and no problem at all
http://www.ebay.com/itm/Anker-Battery-for-Samsung-Galaxy-S-II-from-T-mobile-
http://www.cellphoneshop.net/hdw179...ccessories&hash=item4ab527cf3b#ht_2001wt_1396

Note 2 Charging Variation

I noticed something really odd with charge times on the couple of roms I've been on since getting this phone.
Starting off, I got the phone and immediately flashed Carbon rom. I've noticed extremely poor charge times. This was using the stock AC adapter and usb cable. Surely it shouldn't take that long to charge. The night I noticed I had charging issues, I went to bed when the phone was @ 60% charge. Woke up 7 hours later, phone was at 80%. Ended up playing some games / using the phone and while plugged in charging, the battery was draining down.
The 2nd night. same thing happened. So I decided to watch the phone charge while doing nothing. It would literally climb 1% after 5-10 minutes at best. So further investigating, I was looking around on xda and there were quite a few threads about people having very slow charge times on the Note 2 and some that can fully charge from 0-100 in ~ 2-3 hours. I ended up installing battery monitoring widgets (Elixir Widgets to show charge mA values and Battery Monitor Pro. So apparently even though it shows my phone is receiving 1600-1800 mA, it still charges extremely slow.
The odd thing was, the rate it was charging off the wall was slower than plugging into my comp to charge (and when plugged into my comp, it showed it intaking 500-900 mA).
Now the really odd thing is, I decided to flash a different rom (LiquidSmooth) because of the annoying mdm_hsic_pm0 wake locks carbon was having. I used the phone to about 80% configuring it and I plugged it into the wall charger. Walked away for 5-10 min, and came back and saw it was at 85%. Before, 5% would have taken me a good 20 minutes of charging. After a while, I looked back at Battery Monitor Pro and according to the history, it charged from 80%-100% within 30 minutes. This charging issue is ridiculous. Fixed by swapping roms. Perhaps there are some coding issues somewhere affecting charge rates.

You should post this on the carbon wall and let them know what version u were using.
Sent from my SGH-T889 using XDA Premium HD app

I have made a lot of comments in this thread regarding charging time issue. Most of the charging widget apps you find in the Playstore are useless. The only app that correctly display your REAL charging current is here: (look for the op's comments and mine, I have provided a lot analysis for everyone's benefit)
http://forum.xda-developers.com/showthread.php?t=2076078&page=1

I noticed the same thing when I went from stock to tweaked 1.5
What fixed it for me was moving the charger from a strip directly to a wall plug. Kind of a pain since now I have to charge it in another room.
Sent from my SGH-T889 using xda premium

I had to switch roms to get it to charge normally. Now my phone charges about 1%/min. Before on Carbon, it was charging 1% every 7-10 min. I been using the stock 2A charger adapter + stock cable that came w/ the note 2 in the wall. Can't possibly be adapter issue as rom swap fixed it for me.

Aria807 said:
I had to switch roms to get it to charge normally. Now my phone charges about 1%/min. Before on Carbon, it was charging 1% every 7-10 min. I been using the stock 2A charger adapter + stock cable that came w/ the note 2 in the wall. Can't possibly be adapter issue as rom swap fixed it for me.
Click to expand...
Click to collapse
I don't have the issue and I use Carbon so it's not the ROM.
I installed the app mentioned in the thread and my charge voltage is normal.
Carbon Nightly | Kroz Hue Theme | Crack Flasher

When plugged in, my Note II will LOSE juice while I use it but will charge normally while the screen is off. This is the case even with the brightness set to auto or even manually set to it's lowest level while using an app with a black theme (like Reddit Is Fun). Checking out the battery usage still says the screen uses the most power. This happened while stock and with the Jedi 12 ROM.

[Q] Charging issues - CM10.1

I currently have the CM10.1-M3 build from 4/17/13 installed.
For a long while, I have been having major issues charging my Captivate Glide.
My original battery died. It was bloated. I called AT+T and they sent me a replacement. I also bought two high capacity batteries.
If I leave the phone charging about half the time little or no progress is made charging. Lat night I charged the phone for over 8 hours and the charge went from 10% to 14%.
Other times I will wake up after charging it all night and it will say fully charged, but then the instant it is unplugged from the charger, it will drop down from 100% to 20% or less.
Then once every 3 or 4 days it will actually fully charge. But even in that case the charging is slow at best.
I did a full wipe and re-flashed last night and nothing changed. I have tried charging in airplane mode, but that seems to make it worse. I have had a little tiny bit of success turning mobile data off, but otherwise I have tried everything I could think of with no luck.
Has anyone else experienced similar issues, or have any suggestions? Is this a case where I might need to replace the phone entirely?

jacobym1 said:
I currently have the CM10.1-M3 build from 4/17/13 installed.
Has anyone else experienced similar issues, or have any suggestions? Is this a case where I might need to replace the phone entirely?
Click to expand...
Click to collapse
I did notice a lot longer charge time when hooked up to USB on computer, on my car charger and hooked up to AC I seem to get a lot quicker charge...
What charger are you using?

yohan4ws said:
I did notice a lot longer charge time when hooked up to USB on computer, on my car charger and hooked up to AC I seem to get a lot quicker charge...
What charger are you using?
Click to expand...
Click to collapse
I have tried a few different chargers. I mostly use a 2.1amp wall charger. I also have a 1 amp wall charger, and a 1 amp car charger. I have tried about 3 different car chargers.
I am really suspicious that the micro-usb port on the phone went bad and that I will need to get the phone replaced.

Charging with AC is gonna be alot faster then with DC. But as far as it being the rom I don't see tthat.. sounds like possibly a loose wire or bad connection when u lay ur phone down
Sent from my SGH-I927 using xda app-developers app

phatryan has a point, do a nandroid backup, flash to stock and see if the charging makes a difference..

Charging
Hello,
When I charge my Captivate Glide with phone powered up plugged in to the wall, using the supplied wall charger, I've noticed that the battery seems to drain quicker. This is with the original battery, I will be getting an extended battery for my phone. If I power the phone down then charge it in to the wall it charges quickly and seems to take longer draining. This does not happen when charging with the PC.
tech927

jacobym1 said:
I currently have the CM10.1-M3 build from 4/17/13 installed.
For a long while, I have been having major issues charging my Captivate Glide.
My original battery died. It was bloated. I called AT+T and they sent me a replacement. I also bought two high capacity batteries.
If I leave the phone charging about half the time little or no progress is made charging. Lat night I charged the phone for over 8 hours and the charge went from 10% to 14%.
Other times I will wake up after charging it all night and it will say fully charged, but then the instant it is unplugged from the charger, it will drop down from 100% to 20% or less.
Then once every 3 or 4 days it will actually fully charge. But even in that case the charging is slow at best.
I did a full wipe and re-flashed last night and nothing changed. I have tried charging in airplane mode, but that seems to make it worse. I have had a little tiny bit of success turning mobile data off, but otherwise I have tried everything I could think of with no luck.
Has anyone else experienced similar issues, or have any suggestions? Is this a case where I might need to replace the phone entirely?
Click to expand...
Click to collapse
Bloated battery could just be bad - but it could also be due to overcharging. That's not going to happen unless there is a serious problem with your phone, or possibly a problem with the contacts leading to an incorrect voltage reading. This also may explain your problems charging and sudden jumps in charge %.
Clean your contacts well on the battery side and phone side with a pencil eraser, rubbing alcohol, etc.
I notice a big difference with whatever kernel is shipping with the current M3 cm10.1 build between a 500ma charger and 2amp charger, so I imagine the kernel is set for a 750ma or 1amp charge.

Battery Problem?

One night my phone was dying so plugged the charger up at 1% but even with the charger in it went to 0 then cut off. no "powering down" pop up like normal so i went to bed and let it charge. when i woke the next day after about 8 hours it was on 76%! normally it would have been fully charged. Now its really long to charge. Can someone help and tell me what's going on?

Donte21 said:
One night my phone was dying so plugged the charger up at 1% but even with the charger in it went to 0 then cut off. no "powering down" pop up like normal so i went to bed and let it charge. when i woke the next day after about 8 hours it was on 76%! normally it would have been fully charged. Now its really long to charge. Can someone help and tell me what's going on?
Click to expand...
Click to collapse
Is there any app loading in the background? Strange though...

what ROM and setups are you using ?? some of the 4.2.2 roms charge really slow and if you are not using the charger that came with the phone than it would take longer

I'm using Cm 10.1 normal settings. I haven't been using the charger that came with the phone ever. It started acting only after it shut off at 0%
Sent from my SAMSUNG-SGH-T989 using xda app-developers app

its not recommended using other chargers it sounds like you are not getting enough juice from that charger/wire..... but if you are make sure your battery never dies because the more it dies the more strain you are putting on that battery also you will be better off using the usb wire and a computer to charge are you familiar with FAST CHARGE ??? i would suggest getting another charger
Edit: i have a nexus 7 and i had your problem before i have an after market 10 foot usb wire to charge my phone but when you are using it or there is an app that is draining it it will not charge because there is not enough power coming from the wire but if i use my factory charger for the nexus all is good on low battery and it charges so yeah ... just an fyi

also ive noticed that with some kernels that the battery charges faster
but just play around with different roms or just get a new stock charger

If u are using AOCP with stock kernel, idk why but it has ridiculous slow charge. Install a different kernel and you should be fine

Wireless charging stops at 100% and wont restart

HI can anyone tell me if there is any way to resolve this. I think is has started since doing the upgrade to Android 10 earlier this week.
I normally put my phone onto the wireless charger before going to bed and I have noticed recently that when I grab it in the morning the battery percentage is sitting around the 90% mark. I initially thought the charger was not able to charge to 100% but on further examination I see that it indeed charged to 100% after I placed it on the charger and then the charging stopped and the phone ran on battery until I removed it in the morning.
I confirmed this this morning by replacing it on the charger and watching it charge (like watching paint dry ). The charger light was blue while charging, when the phone hit 100% the charger light turned to green but after about 30s it completely switched off and so too did the indication on the lock screen that a charger is connected. Removing and reseating the phone started charging again.
It definitely looks to be software related as I did not have this problem last week. I just wanted to ask if anyone here has noticed this and knows of any workaround?
For the record I am running fast wireless charging with the samsung wireless charger that came with my wifes S8, that charger works perfectly with my older Note8. I have also tried switching to normal wireless charging speed with no success.

atunguyd said:
HI can anyone tell me if there is any way to resolve this. I think is has started since doing the upgrade to Android 10 earlier this week.
I normally put my phone onto the wireless charger before going to bed and I have noticed recently that when I grab it in the morning the battery percentage is sitting around the 90% mark. I initially thought the charger was not able to charge to 100% but on further examination I see that it indeed charged to 100% after I placed it on the charger and then the charging stopped and the phone ran on battery until I removed it in the morning.
I confirmed this this morning by replacing it on the charger and watching it charge (like watching paint dry ). The charger light was blue while charging, when the phone hit 100% the charger light turned to green but after about 30s it completely switched off and so too did the indication on the lock screen that a charger is connected. Removing and reseating the phone started charging again.
It definitely looks to be software related as I did not have this problem last week. I just wanted to ask if anyone here has noticed this and knows of any workaround?
For the record I am running fast wireless charging with the samsung wireless charger that came with my wifes S8, that charger works perfectly with my older Note8. I have also tried switching to normal wireless charging speed with no success.
Click to expand...
Click to collapse
Unplug the charger from its power source and plug it in again, causing it to 'reboot'. Let us know the results. Note, there is an option to set the wireless charging to NOT be fast during certain hours of the day. I set mine so it charges slowly while I am sleeping - to put less stress on the battery. Your charger may be a little old as well if you got it with a note 8 or S8 - ?
Sent from my SM-N976V using Tapatalk

IMO this is a good feature to stop the wireless charger cooking your battery.
Maybe turn down your AOD brightness or something, to use 10% within a couple of hours of being idle is pretty high. Maybe turning off fast wireless charging would extend the charge time so it finishes nearer to when you wake up could help too.

Thanks for the feedback however it does sound like workarounds for an issue that should not be present (apart from rebooting the charger which I will try when I get home).
For me wireless charging should act just like wired charging in that when it reaches 100% the phone should essentially run off the charger now and not use battery at all. Every other phone with wireless charging that I have had worked that way, this is just plain stupid.
Willhemmens its not a couple hours, looking at the battery graph if I go to bed at 10pm and put the phone on the charger it pretty much hits 100% around 11:30 and then is at 90% at 7am, so it is 10% over 7 hours which is ok in my books, but reality is that during this time the phone has another source of power that it can and should use. It did before I applied the Android 10 update.

I have had this issue every now and again, and I found that rebooting it takes care of the issue.

An update. This morning I tried my wife's wireless charger and when the phone reaches 100% it continues to show the charge icon. Put my wife's note 8 into the wireless charger and it exhibited my problem.
So it looks like this is a problem with the wireless charger and not the phone.
Thanks for the answers guys I am of to try buy a new wireless charger
edit - New charger solved the problem.