Phone has 100% battery. When I reboot phone, it starts, gets to the lockscreen and tells me the battery is critical low and then shuts down the phone. Press the power button and the phone starts and the battery is back to 100%
I have had this error crop up more than a few times over the week. Rooted/Deodex Stock ANG2 900F
Anyone else had this
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I seem to be having problems with the way my nexus is reading its battery capacity. Pretty frequently now the 15% battery warning comes up, and a couple minutes later it's buzzing in my pocket to tell me it's at 5% or powering down, when it couldn't possibly have used up all that battery power in that time.
I also have issues where sometimes I plug it into my charger and in a few minutes it already says 100%/fully charged, then when I unplug it it reverts to 30 or 40%. In general the phone seems to have problems with telling what its actual battery level is. Has anyone encountered a problem like this, and have a suggestion of how to fix it (short of a factory reset)?
Hi there, I currently have a Samsung Note 4 running CM12.1 and in the past two days the phone has randomly "crashed" late afternoon/night (5.30pm today and 8.40pm last night). My phone performs fine throughout the day and then I'll notice that the screen doesn't wake up if I press the home button like normal. If I then power the phone on it boots up and instantly powers off after booting since it has "0%" battery. Both times the phone had plenty of charge in it, around 30-50%. Has anyone else encountered this before?
I have some screenshots but I am unable to post the Imgur links in my post because of my post count. Any other way I can post them?
Specs:
SM-N910F
CM 12.1-20151022-NIGHTLY-trltexx
Android 5.1.1
I can provide more specs if you wish.
Buy another battery, if another battery is OK then your old battery is broken
I had a similar issue where it would, after a clean software reset, shut down unexpectedly at 20% or so - then subsequently at 40%, 60%, and further 20 percent increments when I'd let it shut down of it's own accord. RMA'd it under warranty, pretty pleased with the service I got. No software fix for it.
RBrNx said:
Hi there, I currently have a Samsung Note 4 running CM12.1 and in the past two days the phone has randomly "crashed" late afternoon/night (5.30pm today and 8.40pm last night). My phone performs fine throughout the day and then I'll notice that the screen doesn't wake up if I press the home button like normal. If I then power the phone on it boots up and instantly powers off after booting since it has "0%" battery. Both times the phone had plenty of charge in it, around 30-50%. Has anyone else encountered this before?
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Recalibrate your battery. I had this issue, too, after flashing another ROM. My Note 4 would shut down and die at ~50%.
1. Download Battery Calibration from Google Play
2. Fully charge your phone. By "fully" I mean not only to 100% (which, in your case, will be something like 50% effective charge), but until your LED has turned green. For good measure, just turn your phone off and let it charge overnight.
3. Run Battery Calibration, and tap the big button that says "Battery Calibration"
4. That's it.
You should do this every time you flash a new ROM, because there's always a chance your battery gets miscalibrated during the process.
Thank you very much for your help everyone, I'll try the Battery Calibration and let you know if it fixes it!
Just noticed this happening a month ago. It could of been since day 1 but i rarely bring my phone down to 30% to find out.
So i have a TMO note 4, rooted and OEM battery. No issues with the phone at all, except this one. My phone will show me having around 28-30% and then power cycle repeatedly. It power cycle and displays a message like i'm low on battery. With android 5.x, it will do the "update apps" thing at boot up and power cycle normally right after like its dead battery and repeat.
When this happens, they only way to stop the cycle is to pull the battery. Once powered back on, it will do the same cycle and read about 7-10%. I did boot into recovery a few times when this happens and it will either say 7-10% or 28-30%.
I rarely get below 30% so i cant say this just started to happen. I normally make it thru the day with 50%. This has happened to me when i was poprock ROM and now tekX's ROM (5.1.1)
So what do you guys think? Battery or phone?
Just happened again but this time it was more then 30%.
Hi everone. I have the Samsung Galaxy S5 (Octa core version). Recently, i noticed that the battery had a strange behavior, so i planned to replaced when i finish my exams. During that time, the phone started to shut down randomly, so i bought a new battery thinking that would resolve all the problems, but it won't. The phone keeps shutting down alone, it happends when the battery percentage is below 60% and for turn on again i have to connect the phone charger or remove the battery and put it in again. Some times, the baterry percentage changes -/+ 15%, even from 40% to 3%. Oddly, sometimes the phone just get a black screen when i using it or the screen suffers some kind of distortion and shuts down.
Already did a factory reset and did some test on safe mode, but no luck. Curiously, when the phone is charging, there are no problems of any type.
Any clue of what could be?
Hey all,
The first time this happened a few days ago I thought it was a fluke, but the problem has now happened twice. Watching youtube with my battery ~7%, the phone froze, and proceeded to reboot itself. Upon turning back on, it showed 6%,. It quickly drained within 5-10 minutes to 0%, and then shut off. Today I was writing a hangouts message with 5% battery left and same thing happens. Phone froze for a few seconds, then force restarted itself. Booted back up and showed 4% battery, then quickly drained to 0% in minutes and turned off. It is weird as the system is turning itself back on, so it realizes the battery isn't actually dead... but the battery is reaching a point where it is low enough to cause the system to meltdown (maybe the OS is throttling itself?)
The first few days I got the phone I also noticed early shutoff, where the phone would actually run out of battery while still displaying 6-8% still remaining. Also frustratingly, when my phone enters "battery saver mode" at 15%, it very often causes my foreground all to refresh itself in RAM, especially if the app has a "dark mode" battery saver option. Not sure if this last bit is normal or not, but it interrupts whatever I am doing.
Any thoughts? The battery life is OK otherwise with 3-4 hours SOT.