Develop Bugs

battery problem?

My girlfriend has been having problems with her phone lately which i do not think it is her battery. Even if she fully charges the phone like 5-10 minutes later it will say low battery and turn off on her. I tried switching batteries out with her and it still says low although my battery is fully charged. Sometimes after it shuts off from saying battery low 30 minutes later she'll be able to turn it on and it will say full battery.
Fixes I tried:
Charging it over night Sometimes it will turn off while charging because it says low battery.
Using the 1% Battery Increment Driver
Switching batteries with my phone. Her battery in my phone will say 100% and my battery when fully charged in her phone will say Main Battery Low.

Is it stock ROM? If it is you may have a bad phone. If not, reflash and test. Or just try a different ROM and see if the issue remains. If it does, you certainly have a bad phone.

It started when she had stock ROM. so I Hard reset it and it still happened. then i installed Energy Series ROM. and it is still happening.
just today we woke up it was at 100% then when we unplugged the phone it went to low battery and 1%.

So what do i do to try to fix this problem? do i call HTC and see if they will replace it? AT&T? The thing is i bought the phone from a private seller.
any other ideas why the problem may be occurring?

help please!

Penguin_02 said:
help please!
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if it doesnt have water damage visit your local carrier store letting them know the problem. If it is less than a year old they should honor the phone warranty. I've found in person they are more likely to help you out.
With water damage they will be reluctant to do any work on the phone and insurance is probably the best bet.

What burtonsnow8 said.
The battery is probably bad, not the phone. Try to get a battery from ATT or if that fails get one on eBay. You can save a ton of ca$h getting it there rather than at the store.

kimtyson said:
What burtonsnow8 said.
The battery is probably bad, not the phone. Try to get a battery from ATT or if that fails get one on eBay. You can save a ton of ca$h getting it there rather than at the store.
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It depends, if her battery works in your phone it is not the battery. I also believe since your battery doesn't work in her phone that it is a phone issue. Most likely your phone is causing the issue, not the battery (especially since you did multiple ROM flashes). When you flashed your ROMs though, did you make sure to do a hard reset before each new flash? Clear Storage > Flash stock ROM > Clear Storage > Flash custom rom > Clear storage. that just makes sure all old registry and ROM files get deleted.

[Q] SM-P600 weird (battery?) issue

This past week, I purchased a 2014 Note 10.1 off Craigslist. I did check it out before buying it, and the device is in pristine condition, including the screen. It booted fine, and I went partway through the setup (the guy had factory reset it) before closing the deal. It is the wifi-only model, 3G RAM, 8-core Exynos version. It's white if that matters.
Anyways, a while later when playing with it some more, completing setup, etc, it just died on me. I wasn't home, and didn't have a place to charge it until I got home, but just figured that despite the device having said the battery was 99% charged, the guy keeping it unused for a long time might have thrown off the battery calibration. My understanding is that a Li-ion battery has one or more cells, plus circuitry that protects against overcharging and undervoltage conditions, as well as tracking the current charge state. With lengthy non-usage, the circuitry's idea of the current charge can get out of sync with reality, so I figured a few charge-discharge cycles would get it back in shape.
However, the situation after I got home turned out to be a little more complex. If I plug in the device to a power source with enough current (like the charger it came with, or my 2.1A USB outlet by my bed), it will run just fine while plugged in. However, upon unplugging, it would die quickly. Naturally, I assumed the battery was probably shot, so resigned myself to spending $50 on one. This is where it started to get a little weird. It seemed that when I booted into either fastboot or Odin mode, it would stay on much longer than normal, while unplugged. I'm talking hours, rather than between several seconds and several minutes while booted into the OS proper.
This lead me to believe that perhaps it wasn't my battery itself, but rather a glitch in the OS that was causing it to shut down. When I say shut down, I mean an immediate full-off state, not a nice shutdown or one preceded by low battery warnings. It just clicks off like a light that's been turned off. However, trying several different firmwares, including a couple custom ones, has not yielded any improvement. The issue remains.
The device was stock 5.1.1 when I bought it. I tried flashing KitKat (various images downloaded from SamMobile), but for some reason, it would still say it was running 5.1.1. I tried xKat, as in this thread. That results in 4.4.2 with the associated customizations, but the shutdown issue remains. I tried CyanogenMod 13, as instructed here. It works fine, notwithstanding the same issue. In between the stock firmwares (pushed to the device with Odin) and the custom ones, I would do a full wipe through TWRP.
I've popped the back off, disconnected the battery, waited a bit, and reconnected it.
Now my question: does anyone have any idea what's going on? If it's a dying battery, then why does the device say it's got a nearly full charge, and why no low battery warnings? Why would Odin mode or recovery (TWRP now) seem to keep the device powered up so much longer? Sure, they draw less power, but hundreds of times less power? I doubt it. If it's some hardware issue with the chipset/motherboard/etc, then why does it only manifest when running on battery, or a low-current USB connection? If it's an issue with Android itself, then why does nobody else seem to have this issue (googling revealed nothing that matched my symptoms), and why did several different versions exhibit the exact same problem?
I really don't want to spend money on a new battery and wait a few weeks for shipping if there's something else I'm missing that could get my device functional for free and a lot faster.

My tablet had a similar issue, in that when you would get to the 15% mark, I had maybe 3-5 minutes before it would get to 0% and abruptly turn off. I used the battery calibrator app for rooted devices, followed the instructions, and now all is good again. For me, I noticed a variance from what the OS was reporting and twrp was showing in between flashing. For what its worth, I'm on the KitKat bootloader, and haven't used an official Samsung firmware since KitKat. Oddly enough, the battery calibration having been off survived through lollipop and into marshmallow. Hopefully you can get your tablet back on track.
Sent from my SM-P600 using XDA Premium HD app

Thanks for your reply.
siralsmooth said:
My tablet had a similar issue, in that when you would get to the 15% mark, I had maybe 3-5 minutes before it would get to 0% and abruptly turn off.
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That's a bit different from my issue. Even when the device reports full charge, if I unplug it, it usually dies within seconds, and always within 2-3 minutes.
siralsmooth said:
I used the battery calibrator app for rooted devices, followed the instructions, and now all is good again.
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I don't think that's going to make a difference for me. From what I was reading, all it does is delete the batterystats.bin file (hence the root requirement), which doesn't have anything to do with calibration for most devices. It just contains the stats for how much battery drain various things have caused, during this 'running on battery power' session. It's also reset every time the device is charged. Read here for more info.
Furthermore, even if this were not the case, I'd conclude that wiping the system partition (indeed, all partitions except recovery) would have cleared this data.
Still, that said, it's conceivable (though exceedingly unlikely) that some of these calibration apps might do something else, such as talk to the battery circuitry at a low level. Since I've got nothing to lose, I will probably give a few of them a shot. Do you happen to know which one it was that you tried?
siralsmooth said:
For me, I noticed a variance from what the OS was reporting and twrp was showing in between flashing.
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In my case, the values seemed to track pretty closely, and with numerous freshly-flashed versions exhibiting the same issue, I'm pretty sure at this point it's not a software glitch. I've resigned myself to ordering a new battery. I just wish I was certain that it would fix the issue.
siralsmooth said:
For what its worth, I'm on the KitKat bootloader, and haven't used an official Samsung firmware since KitKat. Oddly enough, the battery calibration having been off survived through lollipop and into marshmallow. Hopefully you can get your tablet back on track.
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Click to collapse
My understanding is that the bootloader doesn't change with flashing. I might be wrong though; is there a way to check the version?

Just a heads up. I ordered a new battery, which arrived yesterday. It seems to have completely solved the issues I was having.
My guess is that Android itself monitors the battery more diligently, and takes a more conservative approach to preserving battery life by shutting down when the voltage drops too low, while recovery mode would just let it run down completely flat (not good for Li-ion cells).
It's a moot point now, because it all seems good.

Bad Battery?

I know. I've seen the threads for battery drain and such, but I don't think there's a problem with "drain" so much, as perhaps a bad battery altogether.
I'm using my old M8 for my daughter, but after RUU, and setting up latest TWRP and all, then trying to install a custom ROM whether Stock or AOSP, when I boot into recovery, it goes from 100% within the ROM, to show 80% in recovery.
If off the charger, there does appear to have some battery drain, but I chalk that up to normal first usage.
However, it then shuts off @ 30%, but when I put it on the charger, it says @ 60%.
I've done the calibration method (hold all buttons for 2 minutes) trick, but there appears to be no help for the erratic battery readings.
Does anyone know if my suspicion is correct?
I'm on Sprint's last RUU.

mcwups1 said:
Does anyone know if my suspicion is correct?
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Ive seen so many posts now that refer to the exact thing you mention. Phones turning off at 20-30%. Its claimed that this is due to a faulty battery and a replacement has fixed it. I do not have this problem, however, I did get a replacement 12 months ago.

That's what I'm afraid of.
Did you replace it yourself, or have a tech do it?

mcwups1 said:
That's what I'm afraid of.
Did you replace it yourself, or have a tech do it?
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I replaced mine just Yesterday, with both speakers, chraging portero AND buttons, its not that hard AND not easy, you Will nerd a razor blade, AND see a few videos first, one thing to have in mind Is that i put a m9 battery on my m8, AND the phone works, but the phone doesnt recognize the aditional 240mamps,. AND the battery temp always shows 25C, but besides that everything is ok, waiting for the battery yo settle.

Any real solution for typical HTC battery problem, shutdown at 40%/30%/20%?

Hi,
I bought M8 because I liked good old M7 so much.
So that phone and it's battery are quite new, about a two months old. But I'm bit pissed because there's that same damn battery problem that we have with M7. Phone shutdowns suddenly with random % while batt is below 40% or below 30%.
After that when I restart the phone it shows there's only 2% left. So something with batt calibration is badly wrong.
I've read about it and internet is full of complains and questions but there's no working solution.
So my question is, have anybody found why it's doing that and is there any solution/fix that REALLY works? Or is everybody just living with that fact that HTC only allows to use 60% of phone's battery?
Now it's bit frustrating to use the phone because SOT is at most 2.5h even with light use and if gaming.. well you got the point.
Phone is fully unlocked and rooted with newest twrp. I have had stock MM rom, RR oreo rom, XenonHD oreo rom, ICE 8.2.2 MM rom and now I'll have AOKP nougat rom but same thing with all roms with couple weeks test period so it's not rom depending.
I have searched this forum, other forums etc and tried to find solution.
I have tested official two minutes power+up+down and also that alternative "at least six restarts with power+up+down and then use it empty" - method without any help.
I have tried wiping caches and I have flashed rom/did factory reset while batt is 100%.
I have drained the phone from 100% to as low as it goes(and shutdowns) and then charged back to 100% with phone on and also with phone off.
I have also tried that while it shows it's 100% wait till it drops to 99%, then shutdown the phone and charge again to 100% (because while I plug charger again it shows something between 90% and 99% while shutdown).
I also tried some batt calibration tool from market even I don't believe on them and read that google worker story about these calibrations.
But about that question, any solution? Any help? Anything else to try? It's very good phone and pity there's that problem in such a good phone. But I just don't believe it's faulty battery because it's so common problem.

Flashing a ROM with the default wipe (data, cache, Dalvik) will normally wipe battery stats and recalibrate the battery meter, in my experience. Then reset the high/low flags by charging to 100%, then drain to close to shutdown (10-20%) and that should be it. Intentionally draining to shutdown is not advised nor necessary. But in your case, may be unavoidable as it may be shutting down even as you try to get "close".
The button combo (power+vol up+vol down) to recalibrate the meter doesn't hurt either. But it looks like you've tried all these things, to no avail.
Make sure your firmware is up to date (MM). But I'm guessing that is already the case, as you probably wouldn't able to flash or run the ROMs mentioned, with outdated firmware.
Only other thing I can think, is to flash stock RUU (if your version has one) to return to full "factory" baseline and start over again (then TWRP, ROM of your choice, etc.). But I don't suspect this will help much over what you've already tried. More of a "doesn't hurt to try" suggestion, as long as you have to time/energy to do so.

Thanks for your reply. Stock rom is MM so I think firmware etc should be fine.
And yes, think I've tried almost "everything" but now after I've tested few weeks I noticed something. It seems it's maybe somehow kernel thing. Not sure but if I use stock MM rom batt works just fine. If I use Revolution HD 53.1 MM rom with stock base(?) kernel, batt works quite fine. But right after I flash elementalX to those or use some other MM/Nougat/Oreo rom with other than stock base kernel batt shut down randomly below 40% and shows wrong %. Weird. I think I just stick with Revolution HD and stock kernel since it seems to work and is much better than stock rom.

Mine sometimes shutdown @60
I jst got another one 2days ago
So I sud be expecting same problem?
I noticed this problem after I flashed RR ROM last December, maybe I sud nt use custom ROM @All on this new one
But I am in love wit lineage 16 ROM
Advice pls

I had the same problem over a year ago. Phone would randomly die once the battery went below 30%. I tried every piece of battery recalibration voodoo posted on this and other sites –including ones that were supposedly official HTC recommended ones.
Nothing worked.
In the end, I bought a replacement battery off eBay and fitted it. I think it was about £17 and I haven't had any random shutdowns since. My battery can run right down to 1% now without the phone switching off. I think, at the end of the day, a new battery is the only solution
BTW –the battery I bought looked OEM. Same markings, holograms, etc. But was a fraction of a mm thicker than the old one, so that it was quite a squeeze fitting the phone back together again and I've still got a slight ridge around the edge of the screen where it's not quite sitting flush with the backplate. But, given the HTC One M8 isn't designed to be taken apart in the first place and I pretty much mangled the speaker covers trying to persuade them to come off, using a hot air gun, that's just one more minor cosmetic detail. My phone may look like it's done a couple of rounds with Mike Tyson now. But for £17 it's been given a new lease of life and [hopefully] I'll get another couple of years out of it.

(SOLVED) Pixel 2 XL charging stuck at 99% all of a sudden

My 2 XL is only a month old. There is no complain about charging before. It was normal. Hit 100% everytime. Until several days ago, I woke up in the morning and my phone does stuck at 99% with charging rapidly status. I've tried to drain the battery and fully charge, try to flash factory image, but the problem still exist. The phone does charge normally to 90%, then getting slow and more slow when hit 95%, it takes very long time to get to 99, then it stuck for hours. I'm using app called AccuBattery, just want to monitor the charge speed. And there it is, the phone stop the charging at 99%, charging speed shows -1 , so basically the phone cut the power input when hitting 99% although the status still not fully charged. Until I rebooted the phone then it will hit 100%.
So what happened to my phone? I'm using original charger from the box. Is it software or hardware issue? Thank you
The first image is when stucked on 99% and the charge speed show -1. After that I rebooted the phone then charge speed increasing, not -1 anymore at 99%. The second image is when the phone says fully charged at 100% and charge speed back to -1, which is normal if the phone already fully charged.
EDIT:
Solved - see my post below

What's the battery health at?

lil_ith said:
What's the battery health at?
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The battery health is excellent, I didn't have any complain about battery life. Easily get 6++ SOT, full day usage.

fauzanskywalker said:
The battery health is excellent, I didn't have any complain about battery life. Easily get 6++ SOT, full day usage.
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What is it at though? But on all my previous rmas, I had sometimes great issues in from charging past 98%.. I would have to turn it off for it to register that it's actually charged to 100% and more than likely it would drop to 99 as soon as I unplugged it.

lil_ith said:
What is it at though? But on all my previous rmas, I had sometimes great issues in from charging past 98%.. I would have to turn it off for it to register that it's actually charged to 100% and more than likely it would drop to 99 as soon as I unplugged it.
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So you got replacement?
I can't asked for RMA. Pixel didn't sold in my country. I bought from local seller that handcarry the unit into my country.

fauzanskywalker said:
So you got replacement?
I can't asked for RMA. Pixel didn't sold in my country. I bought from local seller that handcarry the unit into my country.
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Yeah I got a replacement at the time but not for that sole reason so I don't know if it would work but I don't think it's that much of an issue if you are still getting 6+h sot

lil_ith said:
Yeah I got a replacement at the time but not for that sole reason so I don't know if it would work but I don't think it's that much of an issue if you are still getting 6+h sot
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Yeah, I'm planning to do that. I'm just uncomfortable with my phone acting weird, it supposed to hit 100% everytime normally like before. And a little afraid that this issue would make any affect in the future, broken battery or worse. If there's an explanation how this is happened and it's safe, then I might not make any complain anymore.

fauzanskywalker said:
Yeah, I'm planning to do that. I'm just uncomfortable with my phone acting weird, it supposed to hit 100% everytime normally like before. And a little afraid that this issue would make any affect in the future, broken battery or worse. If there's an explanation how this is happened and it's safe, then I might not make any complain anymore.
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I had the same issue with my Oct 18 2 XL.
Download Accubattery and "calibrate" your battery.
It removes a file (.bin or something) that resets the batter charge percentage.
I really think the 99% thing is harmless, but if it bugs you (I get it) Accubattery will remove the file that resets it.
Good luck!

Az Biker said:
I had the same issue with my Oct 18 2 XL.
Download Accubattery and "calibrate" your battery.
It removes a file (.bin or something) that resets the batter charge percentage.
I really think the 99% thing is harmless, but if it bugs you (I get it) Accubattery will remove the file that resets it.
Good luck!
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Click to collapse
I currently using AccuBattery as shown on my post attachment and I didn't found any "calibrate" menu inside the app.
I've done so many methods, like drain the battery to 0% and charge it or re-flash factory image but seems none worked. So I search on the internet about delete the .bin file under root/data folder, but I didn't found any folder called data on /root (currently running android 10). I'm stucked.
So I'm thinking how if pull the battery out and put it back maybe it will reset something, but it seems impossible to do with myself. Until I found a method to hard reboot the phone with press power button + vol down for maybe 10sec. My phone was 75% at that time, after hard reboot my battery increased to 78%. Then I tried to charge the phone and voila, hit 100% normally, didn't need to unplug and replug to hit 100% anymore. It's been 3 days my phone is act normal again. Hope it will lasts forever.
So my conclusion is, seems the hard reboot method somehow force cut the power from the battery to the phone just like we pull out battery then put it back and maybe it's reset something maybe like batterystats or anything. Idk. But I'm glad nothing happened and it was just software error.

fauzanskywalker said:
I currently using AccuBattery as shown on my post attachment and I didn't found any "calibrate" menu inside the app.
I've done so many methods, like drain the battery to 0% and charge it or re-flash factory image but seems none worked. So I search on the internet about delete the .bin file under root/data folder, but I didn't found any folder called data on /root (currently running android 10). I'm stucked.
So I'm thinking how if pull the battery out and put it back maybe it will reset something, but it seems impossible to do with myself. Until I found a method to hard reboot the phone with press power button + vol down for maybe 10sec. My phone was 75% at that time, after hard reboot my battery increased to 78%. Then I tried to charge the phone and voila, hit 100% normally, didn't need to unplug and replug to hit 100% anymore. It's been 3 days my phone is act normal again. Hope it will lasts forever.
So my conclusion is, seems the hard reboot method somehow force cut the power from the battery to the phone just like we pull out battery then put it back and maybe it's reset something maybe like batterystats or anything. Idk. But I'm glad nothing happened and it was just software error.
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When you download Accubattery, open it, it automatically 'calibrates' your battery (see pic)

Az Biker said:
[/HIDE]
When you download Accubattery, open it, it automatically 'calibrates' your battery (see pic)
View attachment 4846527
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Oh, I just realized that. Thank you. But I think it didn't work for me. Nvm, my phone is normal now :laugh:

I had somewhat of the same issue with my phone too. Would sit around 98% then after taking it off the charger overnight, my battery would drop like a rock to around 85%. No idea if I was just imagining things but I don't remember that much battery life wasted away like that overnight when not in use at all.
I also sent mine in for RMA last Thursday and get it back later on today so hopefully the issue will be resolved.

I have also been experiencing the same issue since upgrading to Pie last year. Once it returned to normal for 1 month only and then went back to 98% charging issue until today

carelockh said:
I had somewhat of the same issue with my phone too. Would sit around 98% then after taking it off the charger overnight, my battery would drop like a rock to around 85%. No idea if I was just imagining things but I don't remember that much battery life wasted away like that overnight when not in use at all.
I also sent mine in for RMA last Thursday and get it back later on today so hopefully the issue will be resolved.
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I would assume broken battery. Never experienced drain so much like that when not in use. My phone normally about 1-2% drop overnight (always on display off). It's great you got replacement, but check twice for screen, 2 XL known for defective screen.

jovianjm said:
I have also been experiencing the same issue since upgrading to Pie last year. Once it returned to normal for 1 month only and then went back to 98% charging issue until today
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Check inboxes, already replied.

fauzanskywalker said:
I would assume broken battery. Never experienced drain so much like that when not in use. My phone normally about 1-2% drop overnight (always on display off). It's great you got replacement, but check twice for screen, 2 XL known for defective screen.
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Yeah I am content with the RMA replacement it's just fine, no issues thus far. Just annoying the update breaks charging sound file and lockscreen lock/unlock sounds. But I eventually got those issues fixed too.