[Q] Battery life on 9500 after OTA firmware upgrade - Galaxy S 4 Q&A, Help & Troubleshooting

Hi,
I got S4 I9500 on 27th April and the battery was fine and was draining about 4-8 % during night and that seemed normal. Then I did an OTA firmware update to Android 4.2.2 XXUAMDE and since then the phone started draining around 15 % during nights and in comparison it drained a lot during standby. I decided to do a factory reset and now it seems fine. I read in several forum that OTA update messes up the battery life and we have to do a factory reset to fix that. Is there any way to avoid a factory restore every time I do an OTA update or is there any way to update it by connecting it to a PC like samsung KIES, does that prevent such issues ? I'm coming back to android after using apple for 2 years, so I'm kind of a noob
Thank you !

I have a 9505, my battery life reduced a lot too when I updated to ME2. Such a disappointment. I did a factory reset but it didn't fix my problem, though I had flashed back to stock firmware after playing with root.
Is there a out of the box rom without the update that I could try flashing?

Related

OTA causing problems

i have a GT I9500 and whenever i update through OTA it gets updated successfully but after the update android system starts draining my battery. around 70% battery goes to the android system. this problem occurs untill i do a factory data wipe.
no matter what the OTA is this problem occurs.
help would really be appreciated.
Thanks.

[Q] Tried downgrading unrooted i9500, now it's Soft Bricked

I had received a small OTA update (about 26 MB) on my i9500 one day which upgraded it from MJ5 to MJ9, but I was facing severe battery issues since then. Like, it would take over 3 hours to charge completely and battery would completely drain in 7 hours even when device is idle and power saving mode is enabled, often it was discharging even when plugged. Then things got more serious, like it wouldn't even charge at all, battery was stuck at 1% for several hours. I somehow managed to get it to 27% and then decided to downgrade back to MJ5, using the firmware from SamMobile. I flashed it with Odin but then things went wrong, the process failed, and my device won't boot at all. All it says is,"Firmware upgrade encountered an issue. Please select recovery mode in Kies & try again". I tried again to flash it, but same results.
There was essential data in my device, which wasn't backed up. I want to recover my device without losing any data. That's the major priority. And a minor one is to try to resolve the battery issues.
I need the help urgently, anything anyone could tell me would be highly appreciated.

strange battery problem.. need suggestion

hi all, i got my almost new s5 and updated to lollipop all is fine no lags etc but i had strange issue when my battery went to 30 % it starts draining fast like 2% charge in one minute while using and 3 % battery drain on standby while its fine enough above 30 % and i m getting 1 % drain per 4 minutes using and 1 % per 2 hours on standby.... so i thought thats a lollipop problem and i flashed and downgraded to stock kitkat rom and after a while same problem is occurring with kitkat rom as well... physical condition of battery looks fine but still i managed to get a second battery and tested with it as well but the problem continuess.... any suggestionss?? Thanks
Need to factory reset after upgrading to Lollipop from KK, battery drain is a big from leftover KK files
i have already done that many times.. when i downgraded to kitkat i also done reset both hard and soft ....
*Detection* said:
Need to factory reset after upgrading to Lollipop from KK, battery drain is a big from leftover KK files
Click to expand...
Click to collapse
i have already done that many times.. when i downgraded to kitkat i also did reset both hard and soft
Bump

SM-N910F Won't fast charge

Last few days my Note 4 wont chager in fast mode and in normal mode takes hours to charge, i allready perform a factory reset, bur the problem continues... someone knows whats wrong?
Download your firmware specific to your phone and flash it. Am certain that will work. I got a bug which couldn't go away with a factory reset so I had to download my phone's firmware a day or 2 ago and flashing has resolved it but it's still Lollipop 5.0.1 and I get the feeling this is not the end. I noticed that Lollipop 5.0.1 has some underlying bugs which I can't live with that haven't been ironed out and am currently making a run for Kitkat until all these issues are settled, or I just migrate to M.
First thing to try is another USB cable, then another charger - then another battery.

Bricked my Turbo 2 X1585

So after updating to the latest update last week, my phone suddenly was draining battery in less than an hour it seemed. It would suddenly jump when charging my large intervals that don't make any sense, seem too fast. Charge from 0 to 100% in less than an hour and then drain extremely quick again. After factory reset it was better, but I wanted to roll back to marshmallow, I tried it with RSD Lite and it fails on the 3rd file. After this the phone would boot fine, but when trying to shut down or factory reset. the phone is stuck in FastBoot. So I tried flashing the stock marshmallow via abp fastboot and now the phone is bootlooped.
can anybody help me flash the stock marshmalllow rom back onto this Turbo 2?
Ok nevermind I got it back to where I originally started with this: https://forum.xda-developers.com/dr...force-how-to-manually-flash-official-t3282077
still seems to be giving me weird sporatic issues with the battery though. I was at 75% battery and restarted the phone, when it booted back in it was at 45% all of a sudden. It keeps doing this randomly changing charging % by weird intervals for no apparent reason. It only started doing this after installing the latest update though.
Would be nice if I could find a way to roll it back to the original nougat update or even better the last Marshmallow version before nougat was deployed.
currently, there is no way to downgrade this phone as the bootloader is locked.

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