Hi.
Yesterday I was using my Nubia z17s as always and before going to bed I decided to charge it, since battery was at around 20%.
When I connected the charger, the screen went off and it didn't wake up, no matter what I did, although I could feel the fingerprint scanner vibration when I used any of the registered fingers. So I decided to hard reboot the phone by keeping the power button pressed.
To my surprise, when the phone booted again, the battery percentage showed 3%. I left it charging overnight and now it's working but the battery percentage is stuck on 3%. I'm pretty sure it's more than that, since I've been using the phone for more than 6 hours and the battery percentage hasn't dropped a bit, and the phone is working (I've made an received a few calls).
A guy at work suggested letting the battery drain completely until the point the phone shuts itself down, and then charging the phone up to 100% while off, so the battery is calibrated and the percentage is fixed. But I've always heard that it's not a good idea to let a battery drain so much. Another problem is that I fear not being able to charge the phone again once the battery gets below 3%.
Any ideas? The phone is running latest Mokee 9 Premium.
Thanks in advance.
Remove "batterystats.bin" in the System folder
Tomcar said:
Remove "batterystats.bin" in the System folder
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Click to collapse
I had already tried that. But deleting that file just resets the battery usage statistics. It has nothing to do with the battery percentage
It seems to me that you will have to make a full data backup and perform a factory reset.
ps and which firmware in use?
Hi, I forgot replying.
I finally got the phone up and running again, and the issue seemed to be firmware related.
I was running the phone on Android Pie based Mokee ROM. I finally let the phone discharge until it shut down and charged it while off. Battery got up to 100% and the phone seemed to work fine. But, a few weeks later, something similar happened again, so I reverted to the stock firmware (still stuck at Android 7.1.1) and the battery issues went away.
I recently tested the Android 10 based Mokee and found that it reports battery level very differently than the stock firmware. Before flashing TWRP and the Mokee ROM, the phone was showing 88% battery left. Just after booting Mokee, the phone had apperently dropped to 78% and I also felt quite a huge battery drain. And it had only taken me around 5 minutes to install the recovery and firmware. So I guess the Mokee firmware doesn't handle the battery very well on Nubia z17s. It's a pity, since all the rest works very well, and I quite liked the Android 10 experience. On the other side, I was unable to make Magisk work under Android 10, and Google Pay is a must for me now, so I once again went back to stock firmware.
Related
Started last night after I updated a few play store apps. I put my phone in the charger and it was at 1% at the time. I got it up to about 17% and it just stopped charging. I thought it was just the charger (official LG) so I switched it out and grabbed another (Touchpad charger) and it started charging again.
Skip to the morning about 6-7 hours later. Phone is really hot, 75% battery and not charging even though it's still plugged in. First instinct, restart it. At this point I had to get ready for work. When I got to work I let it slowly drain out and waiting about 30 minutes after it died before charging it, thinking that the battery needed a calibration. So I charged it up to about 35% and had to go for lunch. By the time I get back in a little over an hour it's at like.. 10% I think which is pretty odd for that amount of time.
Anyway I let it drain out again, at this point I also reflashed my current rom (dirty wipe), installed betterbatterystats and another app to check wake locks. I also installed greenify and froze 2-3 things. Drain is still happening although it might have slowed a little bit.
Fast forward to home, I have now completely wiped my phone and flashed the latest stable CM on it (10.1.2). In about 40 minutes I went from 25% - 15%. I DID NOT FLASH GAPPS YET. This is running barebones with literally no apps, no syncing (no gapps, no google signin) with WiFi on. I'm thinking the fast drain has to do with A) Uncalibrated battery (I haven't hit 100% in about 48 hours now almost) or B) battery is dead (or really bad).
TL;DR Battery is draining super fast, no [excessive] wake locks, dirty flashed once, clean wiped once. Drain still happening. All in a period of less than 24 hours. Is this a hardware issue?
have you tried a custom kernel?? .. try Franco's i think it's the best for battery life.
enviii said:
Started last night after I updated a few play store apps. I put my phone in the charger and it was at 1% at the time. I got it up to about 17% and it just stopped charging. I thought it was just the charger (official LG) so I switched it out and grabbed another (Touchpad charger) and it started charging again.
Skip to the morning about 6-7 hours later. Phone is really hot, 75% battery and not charging even though it's still plugged in. First instinct, restart it. At this point I had to get ready for work. When I got to work I let it slowly drain out and waiting about 30 minutes after it died before charging it, thinking that the battery needed a calibration. So I charged it up to about 35% and had to go for lunch. By the time I get back in a little over an hour it's at like.. 10% I think which is pretty odd for that amount of time.
Anyway I let it drain out again, at this point I also reflashed my current rom (dirty wipe), installed betterbatterystats and another app to check wake locks. I also installed greenify and froze 2-3 things. Drain is still happening although it might have slowed a little bit.
Fast forward to home, I have now completely wiped my phone and flashed the latest stable CM on it (10.1.2). In about 40 minutes I went from 25% - 15%. I DID NOT FLASH GAPPS YET. This is running barebones with literally no apps, no syncing (no gapps, no google signin) with WiFi on. I'm thinking the fast drain has to do with A) Uncalibrated battery (I haven't hit 100% in about 48 hours now almost) or B) battery is dead (or really bad).
TL;DR Battery is draining super fast, no [excessive] wake locks, dirty flashed once, clean wiped once. Drain still happening. All in a period of less than 24 hours. Is this a hardware issue?
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try charging once from a computer's usb port. somehow this fixed my problems a couple months ago i have no idea why though but give it a shot
Ahmad H Storm said:
have you tried a custom kernel?? .. try Franco's i think it's the best for battery life.
Click to expand...
Click to collapse
I flashed Franco M3 last night before going to bed. I'm going to see how today goes, but right now I can tell you I don't think it fixed anything.
Zainiak said:
try charging once from a computer's usb port. somehow this fixed my problems a couple months ago i have no idea why though but give it a shot
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Click to collapse
I'll give it a shot whenever it gets low battery today.
you can' really judge franco kernel until a few battery cycle as it need to settle with your ROM.
Hey all,
so after 2 years using my N4 I bought a new battery since I exchanged my display and sort of damaged the original battery (it was bended, smelled strange (could also be the glue) and I had the feeling it performed worse).
In the beginning I was satisfied but now after some time, I have some weired charging effects:
Using the stock rom (Android 5.0.1), I charge the battery to 100%. If I reboot the phone, the battery percentage dropped back to something between 50%-80%. It will the charge back to 100% within a quite short time. If I reboot again, the battery percentage dropps down again, but not that much. This can be repeated several times... Further, if I boot into recovery (TWRP) after reachin 100%, it also shows something between 50%-70%. After changing the battery and flashing Lolipop, I used an app to "calibrate the battery" - don't know if this helped smth or messed up everything.
Furthermore I noticed sometimes, that battery percentage drops down instantly about 20-30% within a sec while using the phone normally.
Is it just a bad replacement battery? Or is it a issue due to Lolipop (can't say if this will happen with KitKat since I changed the battery using the developer preview and stock Lolipop only)?
Right now, I'm trying to charge the battery while beeing in TWRP and see what happens then if I boot the phone.
Edit: Within minutes, battery was up to 100% in TWRP too. I rebooted TWRP and it's now back down to 58%... So it seems that Lolipop is not the reason.
I don't know what the hell is going on with my Note 4 (SM-N910F), but my battery is draining a lot faster then it ever has. A couple months ago i rooted my phablet, tried out two or three different custom ROMS (Omega was one of them), but my Note 4 got so hot it got into a bootloop as soon as I entered my PIN. I reflashed stock ROM and it was back to normal again, but lately it started to warn me for low battery (the 5% warning) and turn off itself in seconds even when i had 20-30% battery left. This didn't happen every day, but it was annoying. So i re-rooted and installed CM 12.1 thinking it was the 5.0.1 and 5.1.1 stock updates. The first night I charged it all night but only got 83% battery when I woke up 9-10h later. Today when I was scrolling FB with 35% battery left, the phone warned me about low battery and dropped to 5%. Is it possible that the battery drain is because the overheating could have caused some damage to the phone/battery? I tried calibrating the battery two times, did everything I could find on the net, but nothing helped. I would like to know if there could be something more than the battery that could cause this because I don't want to buy another one for nothing.
you could try to re-calibrate your battery, you can find a app for that on playstore.
is your phone still getting hot when your battery drain is high?
you could post an image of your battery stats from settings or better battery stats so we can see, why it's empty so fast
I already tried that two times, it did make the battery last a bit longer but the 35%-5% problem is still there. I'm new to XDA so I can't upload the screenshot but I can't see any app or activity that's draining the battery. I've done everything I could find in the forums (lower screen brightnes, turned off auto wake, even downloaded kernel adiutor and changed some settings a guy posted) but nothing has changed.. I'm just wondering if it's the battery that's the problem or something else so I don't fo out and give out money for a new battery if it won't help..
And yes, my phone is still getting hot when the battery is draining fast.. I do have an insurance that I could use but if it's just the battery then I can buy a new one. I forgot to mention that the phone gets pretty hot when I charge it, somewhere above the battery connectors. Eather that or the micro-USB connector, or even both at the same time.. The cable has turned yellow just under the connector so I don't know if it could be the charget that messed it up. This started before I even flashed a custom ROM.
Well I couldn't take it anymore and decided to downgrade my phone back to 4.4.4 which it came with. 9h on battery, Spotify was playing for 3h, played a little on Snes emulator, facebook, chrome, and I still jave 56% battery left. Seems to me that I was one of them who got the f*cked update for 5.0.1 and 5.1.1.. my phone is back to normal with speed, battery usage and heat. I'll let the battery drain completely today and see if it will turn off at 25-5% like it used to. The worst thing is that a game I used to play dosn't work on 4.4.4.. but it's still worth it!
Couldn't find this exact shut down thing and none of the recent spate of 0% all of a sudden threads covers the 97% battery shutdown aspect to this. I ramble a bit, bare with me.
Had the nexus 10 from new (fk knows how long - 6+ years?)
Replaced the battery from a reputable supplier maybe 9months ago.
All has been good.
I installed lineage 14 and life was better.
Its essentially a youtube,iplayer, email terminal now.
Past few nights it just started shutting down. (fully charged)
Sometimes when switching Youtube videos, sometimes just skipping forward.
It worked for a bit whilst plugged in but even that isn't happening any more.
Its behaving like the battery is empty but when plugged in the battery indicator says full.
I have just tried to reflash. Got new lineage on it through twrp.
Boots to recovery and then I'm just trying to put gappsPICO on and it shuts down again, and thats whilst its plugged in!
Wont boot through to lineage setup even (i know it would fail/dead screen without gapps but I thought I'd try)
*Live update*
I deleted the battery stats file and it was still showing full charge but whilst typing its changed its mind and is accepting a charge!
Hope it was just the battery stats file (means I've just scrubbed it for no good reason other than that new lineage is better lineage right?)
Assuming the battery doesn't over charge and blow up and that the shutdown behaviour continues - this smells like a hardware fault right? A.k.A R.I.P Manta?
Wow, rambling. Sorry
Charged overnight. Reflashed and even got gappsPICO on as well.
Started to setup firstboot and the issue came back.
Thermally related hardware fault is my guess.
What's the current options for a similar product? High Res screen, doesn't need to game, nougat or later OS.
I thought there would be a cheap option but all I can find are things like the Samsung galaxy Tab 2. 300quid...
What say you?
Maybe helps.
olly230 said:
Couldn't find this exact shut down thing and none of the recent spate of 0% all of a sudden threads covers the 97% battery shutdown aspect to this. I ramble a bit, bare with me.
Had the nexus 10 from new (fk knows how long - 6+ years?)
Replaced the battery from a reputable supplier maybe 9months ago.
All has been good.
I installed lineage 14 and life was better.
Its essentially a youtube,iplayer, email terminal now.
Past few nights it just started shutting down. (fully charged)
Sometimes when switching Youtube videos, sometimes just skipping forward.
It worked for a bit whilst plugged in but even that isn't happening any more.
Its behaving like the battery is empty but when plugged in the battery indicator says full.
I have just tried to reflash. Got new lineage on it through twrp.
Boots to recovery and then I'm just trying to put gappsPICO on and it shuts down again, and thats whilst its plugged in!
Wont boot through to lineage setup even (i know it would fail/dead screen without gapps but I thought I'd try)
*Live update*
I deleted the battery stats file and it was still showing full charge but whilst typing its changed its mind and is accepting a charge!
Hope it was just the battery stats file (means I've just scrubbed it for no good reason other than that new lineage is better lineage right?)
Assuming the battery doesn't over charge and blow up and that the shutdown behaviour continues - this smells like a hardware fault right? A.k.A R.I.P Manta?
Wow, rambling. Sorry
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Click to collapse
--- Hi i used/tried 4 new batteries until i gave up hope. One day i started to feel that i have to get my nexus 10 working so i started testing different stuff. My fix was, dont use any rom/kernel that is 3.4.67. Use 3.4.113 using roms or install that kernel. I hope this helps and please tell me if it helps
Do I need to kind a rom based on it or can I just flash a new one?
olly230 said:
Do I need to kind a rom based on it or can I just flash a new one?
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Click to collapse
Hi, try rhis 5.8.5 resurection remix for nexus 10
Fingers crossed
Nah its terminal.
Screen now flickers whilst in recovery.
3 finger salute works
I can flash in new recovery ok.
I can navigate recovery menus fine, change interface settings but the miute I ask it to actually do anything, wipe, set for sideload or flash zip already on the device it flickers then dies.
Poor thing
Who'd have thunk it. Replacement battery died after 9 months.
Put the old one in ( cracking it open being the last resort)
Back in business.
Lineage 15.1 and oreo.
Boom, back in the game.
device battery started draining so fast from past 1 week. phone always stay hot even in screen off state. first i thought it was custom rom problem so i tried android 11, few roms in android 10, stock android 10, stock pie then went back to clean flash oreo so many times then clean flashed pie stock also qfil flashed but result was always same device stays hot and drains battery.
the discharge rate was 10% per hour on screen off and 17% when screen on. i was thinking to change battery but device always stay hot seems like hardware problem. i don't want to lost money for battery if it is hardware problem. accubattery says my battery health is 90%.
right now im using nusantara project android 10 without gapps. using very few apps with always power save mode on in kernel holding battery drain 50%. now heating and draining is less like 5% drain per hour in sleep mode.