I'm on CM7 nightly #215 and for some odd reason the NFC Service decided to start keeping my phone awake starting about four hours and fifteen minutes ago. Obviously, this means it's eating the hell out of the battery.
Whatever the NFC Service is doing, it's not letting the phone go to sleep. I don't know why. It doesn't seem to be affected by rebooting. Going to try wiping cache and dalvik-cache, but... anyone else having this problem?
Edit: Disabling NFC in Settings made it stop keeping my phone awake, which I guess is fine since I don't actually use it (since I can't scan my Clipper card into the phone and use it as a Clipper card...)
My gnex has a strange problem.
Every once in a while it goes into a loop where the following happens:
Screen turns on and display says the phone is charging even though I am nowhere near a charger or cable.
The screen stays on for 30 seconds (until timeout) and the immediately turns on again.
It can drain the battery in a few hours when this happens, and there's nothing I can do to make it stop. Not even a reboot helps.
After charging, the phone goes back to acting normal.
There's no obvious pattern in battery level, running apps, or anything else I could find. It doesn't even happen in every charge cycle.
I have tried flashing another ROM, flashing another kernel, killing apps and processes, removing apps, going to flightmode and a lot of other things. Nothing helps.
Does anyone have an idea what's happening?
Has anyone else experienced this?
There was another user posting with this problem.
Then another two who came to his aid (kind of) saying that they had the problem before as well...and eventually had to turn their phones in for refurbs.
I can't seem to find the thread, but I do swear to the validity of my statements.
I'm looking for any ideas for the problem I'm having on my G2. I'm afraid it's a hardware problem and not much I can do about it.
I started having problems after upgrading from CM 7.1 to 7.2, but I don't think it was related to the upgrade. I started having battery draining problems, the phone took forever to get fully charged, and car mode would automatically start sometimes when plugging up or unplugging the charger. I cleaned the usb port with alcohol (with battery removed), let dry, and restarted. Now I don't have the car mode problem and the battery problem is somewhat better.
My problem now is that the phone will just die when I'm using it. Usually when I'm using the browser. I'll be scrolling on a page and the phone will just turn itself off. Like the battery died. I can turn the phone back on and it will start up, get all the way started back up, but while it is still loading the home screen widgets, it will go off again. I can repeat this several times. The only way to recover is to plug in the charger. I don't have to hit the power button again, just plugging in the charger will start up recovery mode automatically, I'll choose reboot and the phone will start normally then and stay on.
The phone never dies when I'm not using it. I'll carry it all day, making phone calls on and off, and it'll stay on with no problem. Mostly, I only have the problem when using the browser. Also had the problem while using my newsreader. Once during playing a game. But if I start up browsing the internet, it doesn't take long before it will turn itself off. A matter of a couple of minutes. I don't have the problem with reading emails with K9. Don't have a problem in downloading from the internet such as podcasts. Don't have a problem in sending text messages. Don't recall it shutting down while using the Facebook app. After putting up with this for a week, some troubleshooting and observations.
I never have this problem if the charger is plugged in. Only when it is running fully from the battery.
I've tried swapping to a different battery.
Turned down the overclocking with no difference.
I've changed to other recoveries, CM 7.2, CM 7.1, a CM 7.1 that I was running in May. No difference.
I've swapped memory cards.
I've reset battery stats.
No difference if running on wifi or just data.
Clearing caches made no difference.
So, I start thinking it must be a hardware problem, but then why does it only crop up when internet browsing. Must be power related since plugging in the charger makes it go away, but why does it not have a problem with using the phone in other ways?
Any suggestions on what I could try?
You could try to see if there is too much voltage drop when you start something power-hungry. Use a battery voltage logger and post the results. Start logging, let the phoneidle for a minute and then start browsing. Even if the phone shut off, the log should still be there after rebooting.
Thanks for the idea. I can't locate a logger that looks like it would work. It would have to capture a quick drop in voltage that is momentary. This problem happens even on a full battery and when the phone come back on (either momentarily or after a recovery reboot) the battery level is unchanged.
You might try as well an other way: first idle, then gradually step up to a more power hungry app to see when the problem actually happens. I have no other ideas...
Make sure that you dont have any contact with the battery and the door.
Normally batteries are covered with an aluminum wrap, and can cause short-cuts with the phone itself.
I searched it for a while with the galilio batteries.
You can try to put some saranhwrap around the battery.
I have the same problem with two different batteries. But I'm ready to try that too.
Battery graph
So here's a graph of my battery status. Long time to charge to 100%. Discharges pretty rapidly. Each downturn ends in the phone turning itself off. Notice that at 7:30 today, it turned itself off, I did a recovery reboot, then noticed it wasn't charging very well (green line turns to blue but doesn't increase), then I did a manual reboot and when the phone restarted, it showed the battery was at 100% charge (from about 60% before the reboot).
What do you think - hardware or software?
oVeRdOsE. said:
Make sure that you dont have any contact with the battery and the door.
Normally batteries are covered with an aluminum wrap, and can cause short-cuts with the phone itself.
I searched it for a while with the galilio batteries.
You can try to put some saranhwrap around the battery.
Click to expand...
Click to collapse
Well, I just took the cover off for awhile and tried it. Played crosswords (Shortz) for awhile with no problems. Started my newsreader (Newsrob) and it shut itself off in about 15 seconds. So, no short to the battery cover.
Same thing is happening to me. I use poweramp or the browser and the G2 just shuts off. Then I restart it and it tells me that the battery is low. Once I shut it down and reboot in recovery and wipe the battery cache it's back to it's normal battery level. I disabled data and set my phone for 2G networks only and it didn't shut off after. I'm assuming this is a wireless issue? I'm running mimicry 1.3.0 on my G2.
Had the same problem. Swapped out batteries and problem gone.
Sent from my HTC Vision using xda app-developers app
Did you swap the battery and immediately have no further problems? I tried swapping my battery already and still have the same problem.
So here is the problem. My phone drains battery when there is nothing that is supposed to be draining it. In my house I have 4 bars reception (Max Reception) and wifi on or LTE. After using it for a bit and then closing all apps and shutting the screen. My phone starts its "heat mode", starts heating up. about 1 percent every 2 mins. I have tried stock, custom roms, and factory restoring and still nothing. I have had this problem for months now. Should bring it to my carrier company to fix it? Or is there another thing that's affecting it?
For the screenshots it starts off normal over night then it after use it declines.
EDIT: Problem on stock, stock rooted, carbon, hyperdrive, intergalactic
This does not sound like normal behavior. I'd use factory warranty and get a replacement.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
Have you checked under settings / battery to see if anything is running high? Also check settings/applications and slide over to processes. Is it possible it is the media scanner? If so it could b a corrupted file possibly left behind from a theme or bad picture. You should be able to back up what you need from internal SD and do a factory reset from the settings. I accidently erased my external SD so use caution and read all it is asking. You shouldn't need to take it back yet.
Get Better Battery Stats and see if you can track down the wake lock that is killing it. It looks like from the last picture that once wifi was turned on, it experienced a hard drain.
Honestly, my phone does the same thing from time to time and I am still trying to figure out what it might be. In the interim, a reboot always fixes the problem.
I would warranty the phone. But just out of curiosity have you tried a different radio? Are you on the most up to date radio for your carrier? Also have you tried rebooting after the plummet starts and if so does it fix it for a while? I know that some postings have noted a problem with the LTE switch when on a phone call. I know that when I have LTE on and make any phone calls, at some random time over a few days it will happen to me until I reboot. If I keep LTE off, it does not happen. I am not saying this is your issue, but I am just trying to narrow the possibility.
Sent from my SAMSUNG-SGH-I747
Well thanks guys. Im going to send my phone back to my carrier. i think its antenna problems so i might get a replacement
I'm sorry for the title, but I couldn't think of a better description.
I usually put my D855 in flight mode at night and turn it off when I leave my house - when at home, I only turn WiFi on. While in flight mode after a reboot, my battery life is really good and it doesn't get warm at all. But when I turn it off but proceed to browse through WiFi, it gets really warm and the battery drains quickly. When I turn flight mode on again without rebooting, it still gets warm until I reboot.
This drain only occurs while the screen is on, not while in standby.
This is really weird.
This issue occurs on all roms I've tried (including stock roms) and with the V10 modem as well as with all V20 modems.
Do you think it's a hardware problem? My sim tray is damaged a bit, but that shouldn't cause an issue like that, the sim still gets recognized fine.
I'm using a Telco sim card and it's pretty old (it's still a non-LTE-sim), but unfortunately I don't have any other micro sim cards to try.
Any help is appreciated!
Thank you,
Xerionius