One X Gets Hot without use and battery life tanks

EliWay · Jun 19, 2012

I've been noticing less than stellar battery life ever since I got my One X.

Lately I have noticed that sometimes my One X will get slightly hot under use(around the camera area), and then after I'm done using it, it still hot and my battery drains like crazy.

I turn the screen off, kill all apps, wait 5, 10, 30 minutes, even one hour I have waited, and the phone is still warm!

I don't use any apps that run in the background or have services that use a lot of battery. I've checked logcat, betterbatterystats, Cpu Spy and can't find anything wrong. I've tried different roms and the same thing happens.

The fix is simple. I just power it off and on and the problem goes away for a few hours, but then comes back! When I power it off, the area gets ice cold in less than 3 minutes , which tells me something is going on.

I can't figure out a pattern to trigger it but it seems to happen most when my phone switches to WiFi from LTE or vice versa.

Has anyone noticed this? It's been incredibly frustrating.
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After months and months the problem has been found and resolved. It was due to an LTE bug that would happen in certain areas(such as subway stations) if you lost all signal and then regained. The phone would get warm and battery would drop significantly, as much as 2% per minute. The drain would not stop until a full restart.

After trying many many roms, and after about a month testing it, this one has the problem fixed. I haven't tested other ROMS and quite frankly it works so well that I didn't bother testing for other ROMs.

rejovinated · Jun 19, 2012

I have this problem too. I put mine to sleep, after waking up from an hour nap the darn thing is hot! And of course the battery drained like crazy. Although it's too early to come to a conclusion, but so far it hasn't happened ever since I turned off autosync and wifi every time I take a nap..

Hunt3r.j2 · Jun 19, 2012

Run betterbatterystats and carat, they can all identify various issues.

MadRed · Jun 19, 2012

My phone does not deep sleep at all. Wtf?

slojko · Jun 19, 2012

I'm having the same problem, carat and bbs aren't helping

Sent from my HTC One X using xda premium

rohan32 · Jun 19, 2012

See if there are rouge apps running in the background that are keeping the phone from deep sleeping.

stnguyen09 · Jun 19, 2012

Go to Settings -> Wifi -> Advanced -> Best Wi-Fi Performance and make sure it's unchecked. It's been known to prevent deep sleep. I'm not sure it would cause such a huge drop in life or the heat, but every little bit helps.

EliWay · Jun 19, 2012

Glad to know I'm not the only one experiencing this. I'm an advanced user, I've tried everything, carat, BetterBatteryStats, aLogcat, System Panel, Cpu spy, you name it. The phone is actually deep sleeping.

Also, I've noticed that the radio area gets hot more than the cpu area, so it might be a radio issue? I'm running baseband 0.17.32.09.12_10.86.32.08U .

stnguyen09 · Jun 19, 2012

zeuzinn said:
Glad to know I'm not the only one experiencing this. I'm an advanced user, I've tried everything, carat, BetterBatteryStats, aLogcat, System Panel, Cpu spy, you name it. The phone is actually deep sleeping.

Also, I've noticed that the radio area gets hot more than the cpu area, so it might be a radio issue? I'm running baseband 0.17.32.09.12_10.86.32.08U .

I'm on 0.17.32.09.12_10.86.32.08L (same as you, except for the L). I noticed that you mentioned that it may be when you're switching between WiFi and LTE, maybe it's continuing to hold on to that LTE connection? Also, where is the radio area in relation to the CPU? I know the CPU is right underneath the camera.

EliWay · Jun 19, 2012

stnguyen09 said:
I'm on 0.17.32.09.12_10.86.32.08L (same as you, except for the L). I noticed that you mentioned that it may be when you're switching between WiFi and LTE, maybe it's continuing to hold on to that LTE connection? Also, where is the radio area in relation to the CPU? I know the CPU is right underneath the camera.

What is the difference between the L and the U? I've never flashed any radios so I guess I'm using the stock one from the 1.85 update.

I actually just assumed it's the radio because I was testing a cpu stress app to see if it would get "locked" in a high frequency thus causing the drain, but the area that got hot was to left of the camera area, and usually when the problem happens I can sense the warmth more to the right, around the LED flash.

I just charged my phone to 100% and it got warm, I unplugged it and waited a few minutes and the phone was still hot. I turned the phone off and in a matter of minutes (Like 4) , the phone was ice cold again. The plot thickens...

stnguyen09 · Jun 19, 2012

zeuzinn said:
What is the difference between the L and the U? I've never flashed any radios so I guess I'm using the stock one from the 1.85 update.

I actually just assumed it's the radio because I was testing a cpu stress app to see if it would get "locked" in a high frequency thus causing the drain, but the area that got hot was to left of the camera area, and usually when the problem happens I can sense the warmth more to the right, around the LED flash.

I just charged my phone to 100% and it got warm, I unplugged it and waited a few minutes and the phone was still hot. I turned the phone off and in a matter of minutes (Like 4) , the phone was ice cold again. The plot thickens...

I don't know what the difference is. I'm running CleanROM DE so it could be that the L is just the radio from 1.88. I never had this heat issue on 1.73, 82, or 85 though. Just the normal amount that threatens to burn your hand off while playing Angry Birds. Maybe try disabling LTE? (Don't ask me how to do that)

EliWay · Jun 19, 2012

stnguyen09 said:
I don't know what the difference is. I'm running CleanROM DE so it could be that the L is just the radio from 1.88. I never had this heat issue on 1.73, 82, or 85 though. Just the normal amount that threatens to burn your hand off while playing Angry Birds. Maybe try disabling LTE? (Don't ask me how to do that)

Disabling LTE (By changing the APN settings) , makes my 4G(Non-LTE) connection unstable, for some reason. I experience a ton of data drops , so even if fixes the heat problem, it would create a new one. My data connection is rock solid when using the LTE APN .

mgfjd · Jun 19, 2012

I'm running stock 1.85 and the battery is great

Sent from my HTC One X using Tapatalk 2

WuTofu · Jun 19, 2012

I had a similar problem before until I installed CleanROM LE 2.0 (and above) I noticed the problem when I connected to wifi after I had lost signal from my commute every day. BBS didn't really help, and it seemed the problem would compound over time, eventually getting to a point where I was losing 3% battery ever couple of minutes.

After I installed the Lite Edition, the problem hasn't appeared since. Battery life seems to be draining normally and the phone doesn't get hot when not in use. It could be something that was removed from Sense that helped the issue, but I'm honestly not sure.

I do remember that before I switched to the Lite edition I tinkered with some settings, and I noticed that Latitude was set to update my location. I turned it off (it's off by default on the Lite Edition ROM), but I'm not sure if that helped my problem. Maybe try disabling that and see what happens.

EliWay · Jun 19, 2012

WuTofu said:
I had a similar problem before until I installed CleanROM LE 2.0 (and above) I noticed the problem when I connected to wifi after I had lost signal from my commute every day. BBS didn't really help, and it seemed the problem would compound over time, eventually getting to a point where I was losing 3% battery ever couple of minutes.

After I installed the Lite Edition, the problem hasn't appeared since. Battery life seems to be draining normally and the phone doesn't get hot when not in use. It could be something that was removed from Sense that helped the issue, but I'm honestly not sure.

I do remember that before I switched to the Lite edition I tinkered with some settings, and I noticed that Latitude was set to update my location. I turned it off (it's off by default on the Lite Edition ROM), but I'm not sure if that helped my problem. Maybe try disabling that and see what happens.

Wow,I have a very similar usage pattern. I will try that and report back

Skizzy034 · Jun 19, 2012

Can anyone chime in on the difference between the L and the U in the radios?

Sent from my HTC One X using XDA

stnguyen09 · Jun 19, 2012

There's a thread with flashable versions of all the known radios floating about...There's nothing with a U in it except the Asian radio, but the rest of the baseband version number doesn't match.

http://xdaforums.com/showthread.php?t=1694012

EliWay · Jun 20, 2012

stnguyen09 said:
There's a thread with flashable versions of all the known radios floating about...There's nothing with a U in it except the Asian radio, but the rest of the baseband version number doesn't match.

http://xdaforums.com/showthread.php?t=1694012

He fixed that now so even the Asian version apparently ends with an L. Does that mean I have an unkown baseband?

doubtful. I have installed sick sense hox and so far so good. We'll see.

nespid · Jun 20, 2012

deep sleep and warm back.

I've noticed this, too.

I've woken up in the middle of the night to encounter my screen on and no gain in battery charge with a super warm back.

Last night I plugged it up at 73% and I woke up this morning with 71% and a fry-an-egg-hot back.

Restarting resolves the issue, and this is only the second timein about 1.5 months, but a concerning issue nonetheless.

dexywexy · Jun 20, 2012

Blame calendar sync

I had the exact same problem, and I narrowed it down to auto-sync.

In particular, my phone was constantly sync'ing my work calendar (my work place uses Google calendar/mail). I have a lot of recurring (weekly) events on that calendar, and one of those events was modified shortly before the sync started acting crazy.

How I fixed it:
1. Go into Settings > Apps > All
For "Calendar" and "Calendar Storage" apps, press the "Clear Data" button.

2. Removed my work Google account and re-added it.

Obviously, if it's not the sync that's causing the battery drain or you don't have any calendars synced, then this is not going to fix anything. Just thought I'd share my particular case with everyone.

One X Gets Hot without use and battery life tanks

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