Batterylife worse after update - Huawei Mate 20 Pro Questions & Answers

Hello.
I'm just wondering if anyone know how the Estimated Battery life function in the battery-menu works on the Mate 20 Pro. When I compare my phone vs my girlfriends I have a much lower expected battery life compared to her, with approximately the same usage and settings on both Mate 20s.
If I remember from the top of my head, I get an average of 50 hours expected at the Ultra Powersaver Settings, compared to her phone which is expected at over 200 hours when fully charged. I'm currently running the .153 update, she's still at the previous update and is getting significantly better batterylife than my device.
I've tried rebooting and clearing cache from the Recovery Menu, monitoring the apps from Settings>Battery where everything seems normal, changed resolution to Smart Resolution and 'Optimizing' the phone through the batterymenu.
Thanks in advance!

Hi,
Same problem here, since I installed the 153 update I have sudden battery drain bursts while the phone is idle. Battery will go from 60-80% to 0% in less than an hour.
It's happened twice during the last days: once while I was sleeping (so no phone activity caused by myself) and just right now. I've also cleared app cache, but it hasn't solved anything.
In the Settings->Battery->Usage it reports that "Phone" is draining the battery (no calls were made during that period). No other app has a high battery usage.
Is this a known bug that has been fixed in future updates?

Hi,
I have also experienced the same problem after I installed the .153 update. Battery drain is very noticable and I have factory reset/cleared the system cache but there is no difference. Huawei support have told me the battery may be faulty and so I will need to send it off for repair but i now think it is possibly a fault in the update.
Not sure what to do ?

I have .153 version and everything is working perfectly.

Try to clean cache and use it for a few days for the battery AI to settle in. That's what I usually do after a minor update. If the update is big, I would backup and do clean cache and factory reset together. BTW, after 171 update, I had experienced 3% per hour standby battery drain. But after factory reset, it's down to 0.4% per hour. Quite impressive.

tindersticks said:
Try to clean cache and use it for a few days for the battery AI to settle in. That's what I usually do after a minor update. If the update is big, I would backup and do clean cache and factory reset together. BTW, after 171 update, I had experienced 3% per hour standby battery drain. But after factory reset, it's down to 0.4% per hour. Quite impressive.
Click to expand...
Click to collapse
Hey what are you using to backup? Using Huawei it wants to put it on hisuite via laptop since I don't have external nano SD. Is this what you used? Thanks

I use a USB type C OTG Stick with a Micro SD card inserted. Alternatively, you can also use any USB stick with a type C OTG cable. Using Hisuite via laptop should also be easy and reliable.

Coming from a 6T i have been dissapointed with the battery on mate 20 pro , everyone has hyped this phone on battery life . first it dont seems to idle drain not as good as 6T will give it a couple of cycles but at the moment looks like selling this and going back to 6T

Best battery life ever, use it all day, tons of surfing, taking many pics, listen to FLACS on my Sony wh1000xm2 and hardly ever end the day below 60%. Am on 153.
I did hear that staring at your screen and settings all day long is bad for your battery. Just saying...

pro4ever said:
Coming from a 6T i have been dissapointed with the battery on mate 20 pro , everyone has hyped this phone on battery life . first it dont seems to idle drain not as good as 6T will give it a couple of cycles but at the moment looks like selling this and going back to 6T
Click to expand...
Click to collapse
I have both and I will say that 6T battery is very impressive but I am seeing similar batt life on mate 20 pro. Easily get 2 days with light to moderate use. Your milage may vary.

Have Had the same problem when i got the phone recently , setup my accounts and apps then got two updates in the same day 153 and 171 , the battery is good not bad but i just feel its not like everyone is saying i can get a more than a full day usage out of it but i just have to turn off everything except for wifi and 4g , disabling raise to wake and stay connected while in sleep specifically helped the battery life a lot but i still think it drains too much specially in standby where i can lose over 10% overnight and when browsing chrome over 4g (simple surfing not streaming)
i will try to backup and do a factory reset and see what happens.
BTW this my usage from yesterday ,not bad but this is with bluetooth off , mostly on wifi , raise to wake off , turn off data when the phone sleep on , location off , auto rotation off, manage apps manually only a handful are allowed in background , only autosync for gmail on and screen brightness barely above 50% mostly 30% or something

Alihosny said:
Have Had the same problem when i got the phone recently , setup my accounts and apps then got two updates in the same day 153 and 171 , the battery is good not bad but i just feel its not like everyone is saying i can get a more than a full day usage out of it but i just have to turn off everything except for wifi and 4g , disabling raise to wake and stay connected while in sleep specifically helped the battery life a lot but i still think it drains too much specially in standby where i can lose over 10% overnight and when browsing chrome over 4g (simple surfing not streaming)
i will try to backup and do a factory reset and see what happens.
BTW this my usage from yesterday ,not bad but this is with bluetooth off , mostly on wifi , raise to wake off , turn off data when the phone sleep on , location off , auto rotation off, manage apps manually only a handful are allowed in background , only autosync for gmail on and screen brightness barely above 50% mostly 30% or something
Click to expand...
Click to collapse
I was in the same situation when updating from 171 to 182, where the battery barely lasted 4 hours SOT, yesterday I did the factory reset and charged my phone to 100% I unplugged it at 9:30 AM and just plugged it in again today at 1:40PM, managed to get 8hours SOT with plenty usage, mails, spotify, netflix (via chromecast) and youtube overnight to sleep, bluetooth ang 4g on all time (most of the surfing was on wifi which is also always on) no need to turn off the location or something, auto brightness and QHD+ resolution
unfurtunately I was so excited that i forgot to take screenshots before plugging the phone, but I'm pretty sure that the factory reset + cache wipe definitely helped

i dont know man, have tried factory reset yesterday unplugged today at 10am didnt turn off anything left resolution at smart, i only disabled raise to wake because i dont like it, all apps managed automatically couple of uber rides, 90 mins of calls , surfing mostly on wifi , remote desktop, no streaming videos or music its now 11.30 iam at 49% with 2.5h sot, i think its improved but still wont reach that 8h sot unlesss i turn off more things like before still i think the vattery is great but not behaving like a 4200mah one seems like the screen specially and standby power consumptio is high, btw do you have the lg or boe scren because i saw people reporting worsr battery life after replacing their green lg screens with boe, o have the boe one maybe its the culprit.

Alihosny said:
i dont know man, have tried factory reset yesterday unplugged today at 10am didnt turn off anything left resolution at smart, i only disabled raise to wake because i dont like it, all apps managed automatically couple of uber rides, 90 mins of calls , surfing mostly on wifi , remote desktop, no streaming videos or music its now 11.30 iam at 49% with 2.5h sot, i think its improved but still wont reach that 8h sot unlesss i turn off more things like before still i think the vattery is great but not behaving like a 4200mah one seems like the screen specially and standby power consumptio is high, btw do you have the lg or boe scren because i saw people reporting worsr battery life after replacing their green lg screens with boe, o have the boe one maybe its the culprit.
Click to expand...
Click to collapse
I have a BOE screen, I havent used the phone that much today but performance and usage is basically the same, mostly because I use this as my "everything" phone both personal and job, I would recommend taking it to warranty if you can because if the factory reset + cache clear didnt worked I'm not sure what that could be as the device is still very new to have a considerable battery wear

i dont think its that bad to take it to warranty, actually compared to the galaxy s8 its great plus i imported it so no warranty option, i just feel it coukd have been more, it appears when screen is on i am kosing about 1% every 5-7 minutes whatever i am doing, i dont know if its normal, just today i already lost 16% in 3 hours with only 25 minutes of sot and wasnt doing much, i started suspecting google chrome is the culprit or the screen is power hungry, also when you factory reset did you install everything from scratch because i restored a full backup including apps and app data from hisuite may be i should install everything from scratch i dont know

Alihosny said:
i dont think its that bad to take it to warranty, actually compared to the galaxy s8 its great plus i imported it so no warranty option, i just feel it coukd have been more, it appears when screen is on i am kosing about 1% every 5-7 minutes whatever i am doing, i dont know if its normal, just today i already lost 16% in 3 hours with only 25 minutes of sot and wasnt doing much, i started suspecting google chrome is the culprit or the screen is power hungry, also when you factory reset did you install everything from scratch because i restored a full backup including apps and app data from hisuite may be i should install everything from scratch i dont know
Click to expand...
Click to collapse
I restored from my google account, which only restores contacts and apps (but installs the apps from zero) I had some experiences with several backup apps/services which affected my devices so i decided to go from 0

will try to factory reset and only restore image and videos and install aoos from scratch and see what happens

Related

Battery Life After 8.1 Update

I am starting this thread to see how you fell about new OS and do you have significant battery life change after 8.1 update.
Mine experience is not so good, at least to say, noticable battery drain...on slight use I manage to hold about 15h on NL 920, with battery saver and disabling backgroud apps as it was on WP 8.
Tell us your experience!
My battery life is also gone for the worse. With very moderate usage it barely keeps 16-17hrs, anything else is killing the battery dead.
my battery also worse but i make hard reset and do new settings manually (not restored from backup) and battery is much better
Battery life sucks on 8.1
I used to only charge every 2 (two) days and even managed to get 3 full days now and again depending upon work, but now it needs charging every night before bed . I charged it last night and went to bed and woke up today and 75% charge remaining, so it used 25% power doing nothing but hiding in my pocket. It used to only use 1% or 2 % charge overnight but not now.
Other thing i noticed is background tasks config page is missing and now the calander once open stays as a runnning task in task switcher.
I know after a firmware update the battery needs a few charge cycles to sort itself out but i am about to start the 4th cycle now and its still seems to be sh1t
---------- Post added at 12:21 AM ---------- Previous post was at 12:16 AM ----------
Just found background tasks again. yeehaaa
open battery saver app
swipe to usage tab and tap on the desired app to see its background settings
Yeehaa time ti kill some apps again and save some juice
in my lumia 920 battery life is terrible after the 8.1
ie and whatsapp are sucking my battery juice as hell
guys, you must make hard reset and you must set all settings from fresh, not use old backup settings and dont forget block unnecessary apps in background... after this battery work much longer. this worked for me...
dxdy said:
guys, you must make hard reset and you must set all settings from fresh, not use old backup settings and dont forget block unnecessary apps in background... after this battery work much longer. this worked for me...
Click to expand...
Click to collapse
But.... but.... I just flashed the ROM two weeks ago, I don't want to have to reload everything AGAIN!!!. That said, with most of the settings synced, I'm willing to give it a go. Will report back tomorrow.
After a few tweaks in the background settings and an empty to full recharge everything is now back to normal. Yeehaa 2 days between charges and 1%-2% drain overnight. SWEET so no need to hard reset unless you have major problems. just sort the background apps and see how it goes
Im having a nightmare after 8.1 battery drain is the least of my worries..
my phone becomes unresponsive and only a hard reset brings it back to life .
I also get the screen crash and it looks like a old tv not tuned in
but it is an early release so hopefully ms will look and fix he problems because the update is worth it
Hey, I have the same problem. But not only the battery draining, the phone heats up. And I mean REALLY heats up. I gets hotter than my Laptop. Yesterday, while videocalling on skype over WIFI, the camera went dark, and 10 seconds later the picture was green. I don't mean just a completely green picture, It still showed me, but I was green. I then ended skype, opened the camera app and it was just awfully bright. With the flash off, the lights in my room out I could still see everything through the camera, but it was corny as hell. I then had to reboot the phone and everything worked again, but still. It's quite concerning, specially considering the heat.
did you make hard reset and set phone setting without using old backup settings?
phone work much better if you setup all from fresh beginning... seems old WP8.0 settings sometimes mess up things...
CBDSonline said:
After a few tweaks in the background settings and an empty to full recharge everything is now back to normal. Yeehaa 2 days between charges and 1%-2% drain overnight. SWEET so no need to hard reset unless you have major problems. just sort the background apps and see how it goes
Click to expand...
Click to collapse
Hi there,
can you tell me please were is the option to set up background apps?
In Lumia Black and older versions the "background tasks" was in applications menu.
In 8.1 preview I can't find it.
Thanks!
Find in App list Battery Saver :victory:
dxdy said:
did you make hard reset and set phone setting without using old backup settings?
phone work much better if you setup all from fresh beginning... seems old WP8.0 settings sometimes mess up things...
Click to expand...
Click to collapse
Well, I did reset it a few times. The first time I got it it had 8 on it, upgraded to 8.1. Then reflashed it, upgraded and used the backup. You really think it could help? If so, I may try it later today.
The skype thing frightened me the most to be honest.
I never used the 920 before the 8.1 update as I bought it on the 8.1 release day so can't compare the battery life before & after.
So far ive found the biggest hog on battery was the intermittent glance screen though proximity glance is ok but the biggest culprit was having 3 email accounts set to push receive emails. After changing to sync 2 email accounts manually & the other every hour I noticed a big improvement in battery life & its now similar to my previous Galaxy Nexus.
Worse battery life
My battery life was terrible, but after the last update it is much better and with 3-5 minutes of calls a day and HSDPA internet enabled it can last for 24 hours.
My battery life has increased significantly. With 8.0, the battery life was frankly pathetic. I couldn't even get a day out of the phone, and that's with only having 3 mail accounts and Facebook active (NFC & BT off), and only moderate use. It was bad enough that I couldn't use it as my daily phone.
After 8.1, it's a dramatic change, it easily lasts me a whole day - used it moderately today, and now 15 hours since taking it off the charger, there is still 45% battery left. I love 8.1
learn more about update
to know more about the update and for the link follow http://appsforlumia.com/nokia-lumia-920-software-update/
I agree, 8.1 has extended battery life... Not that I had any issue with it lasting the day before!
Sent from my Lumia 920 using Tapatalk
For me battery life has become alot worse after 8.1. And there's nothing I can turn off in battery saver

I tried to stay... but I have to go

I tried all of the battery tricks in this forum to get manageable battery life, but I could not make it to 3 pm no matter what and I refuse to cripple my smart phone any more - this was enough:
Wi-fi off
Wi-fi-calling off
Volte off
Location off
Display auto
Email sync 1 account - 30 min
The phone would deep sleep and my SOT was not over 3 hours ever- but I could never make it much past 3pm on a normal day. Maybe a got a bad phone, but I remorsed on the last day possible.
I have an M9 and am getting longer battery w/o all of the crippling above. Should I try an S6 or another S6 Edge? I love the phone and camera but accept TW, should I wait for the G4?
aaronc_98 said:
I tried all of the battery tricks in this forum to get manageable battery life, but I could not make it to 3 pm no matter what and I refuse to cripple my smart phone any more - this was enough:
Wi-fi off
Wi-fi-calling off
Volte off
Location off
Display auto
Email sync 1 account - 30 min
The phone would deep sleep and my SOT was not over 3 hours ever- but I could never make it much past 3pm on a normal day. Maybe a got a bad phone, but I remorsed on the last day possible.
I have an M9 and am getting longer battery w/o all of the crippling above. Should I try an S6 or another S6 Edge? I love the phone and camera but accept TW, should I wait for the G4?
Click to expand...
Click to collapse
Just an FYI, I have both the M9 and the 2 of the S6 edge phones. I get about 15hrs/3 hrs SOT on S6, my wife gets almost 20hrs w/ 5 hrs SOT on hers! We use the phone in different ways. She is on facebook and texting. I am on email, texting, remote desktop & games. However, on the M9 I was getting about 30 minutes more than S6. Not a huge amount but it was slightly more. However, after using the M9 for almost a month and now having the S6, I'm returning the M9. Mainly due to the camera. I have kids and S6 is a much better spontaneous camera for consistently capturing a good image. Plus the screen makes the M9 look pale in comparison.
Did you try a Wipe Cache Partition and Wipe Data/Factory Reset under Recovery Menu? A lot of people have done the reset and the phone is getting now almost double the Battery life they were getting before, just by doing that, plus all the little tweaks about VoLTE and Wifi Calling and other bloat you should disable anyway.
Mine has giving me nothing but great battery life averaging 5.5 SoT since I git it on the 10th, BUT, I knew there was an update pending so I turned on the phone the first time, skipped all initial settings except the Wifi, it downloaded and installed the T-Mobile Update and then immediately I went to recovery menu and did the wipes then set the phone for the first time, working great since day 1.
erasat said:
Did you try a Wipe Cache Partition and Wipe Data/Factory Reset under Recovery Menu? A lot of people have done the reset and the phone is getting now almost double the Battery life they were getting before, just by doing that, plus all the little tweaks about VoLTE and Wifi Calling and other bloat you should disable anyway.
Mine has giving me nothing but great battery life averaging 5.5 SoT since I git it on the 10th, BUT, I knew there was an update pending so I turned on the phone the first time, skipped all initial settings except the Wifi, it downloaded and installed the T-Mobile Update and then immediately I went to recovery menu and did the wipes then set the phone for the first time, working great since day 1.
Click to expand...
Click to collapse
Yes - I did that and it did not really change much. I think that I must have had a bad one...
You can make of this what you will as I have no idea if my singular experience plays out but I traded a white Edge in for the black color Edge and the new handset has much better battery life. Also the fingerprint scanner worked perfectly from the first try on the new handset and was about 50% on the white phone I turned in. And yes I tried all the suggestions for improving the fingerprint detection, watched the youtube videos, no luck. I stopped using it all together. I did all the revert, reflash, reset, wipe, turn off every thing under the sun, etc for the first handset to try and improve battery life but no joy. I still only get around 4 hours screen on before I'm down to the 20 percent range which isn't great but enough for me. It also matches my expectation for what is nowadays a small battery in a heavily bloated phone. My first handset was in the upper 2 hour to low 3 hour range in the same use with no wake locks detected and deep sleep occurring. Keep in mind I've been on Android from the very begining so I'm not unfamiliar with hunting down battery hogs, wake locks, etc.
I had planned on giving this one a go and if it was the same as the first one moving on to the next thing or else keeping it if it wasn't. Turns out I'm keeping and I'm glad, its a pretty little sucker...
ok- I am going to try another S6E and see if I get one with a good battery
aaronc_98 said:
ok- I am going to try another S6E and see if I get one with a good battery
Click to expand...
Click to collapse
Also, please try to investigate what apps may be draining the battery. After 16hrs., I'm at 47% battery life. I think that's pretty good.

why is the battery life so poor?

I got an LG G5 2 weeks ago and the battery has been outrageously bad. I bought it used and the owned has owned it for 2 to 3 months. There is very little standby drain and the phone is cold to the touch within minutes. Overnight drain is around 10 to 12 percent with always on display which is normal considering the 1 percent per hour loss plus the normal overnight drain. However when I turn the screen on the screen on time is very poor only about 2.5 hrs to 3 hours. The screen brightness is set 20 to 40 percent no auto brightness. There appears to be nothing draining the battery with the screen being the biggest battery draining. I have location nfc Bluetooth and LTE turned off. Along with touch sounds and touch vibration but toggling these settings makes no difference. Its impossible to find out more because I have no root. If this battery continues to be this poor I'm going to be selling it because I cannot stand having to charge twice a day even with quickcharge 3.0 old xiaomi redmi note 3 lasted 2 to 3 times longer on the battery. Any ideas what could be eating my battery?
Hi
I get 4 to 5 hours screen on time and I use my brightness at 75% to 100%, never as low as 20-40% it's too dark.
What apps do you use when you do have the screen on? Maps and games will drop you to 2-3 hours screen on time like all phones, but normal apps (excluding snapchat) will give you 4-5 SOT.
I would turn off always on display, you won't miss it.
Eeeeh , your Android system and android Os are high , screen should consumpt most of the battery about 30-40% mine does 34% with 35% brightness and Phone idle 22% my android system at 9% android Os 6% , if you dont game you get nearly 1 day life from your battery but if you do you need 2-3 timers charging per day , also if you use Data it just sucks the battery like vacum. So there is a drain in your system but its true lg g5 consumps a lot in order to give you performance in priority and not power saving. Dont forget G5s are the only high range phone that you can swip your battery with no deal , they are giving you that feature , Use it!!! You can grab up to 3600mah (2800 stock) extended capacity battery with a wall charger from ebay really cheap and never again have a battery problem. Also this batterys are lithium ones , i saw in your pic 10% i suggest not to go below 20% you are killing really fast lithium batterys if you decharge them!!!
Jonathan-H said:
Hi
I get 4 to 5 hours screen on time and I use my brightness at 75% to 100%, never as low as 20-40% it's too dark.
What apps do you use when you do have the screen on? Maps and games will drop you to 2-3 hours screen on time like all phones, but normal apps (excluding snapchat) will give you 4-5 SOT.
I would turn off always on display, you won't miss it.
Click to expand...
Click to collapse
Always on display barely drains any battery. I use apps such as facebook, text messaging, messenger, instagram, chrome, etc. I rarely play games because the second I open a game the battery life is only about 1.5 hours sot.
Well Facebook and messenger should be a couple of alarm bells when talking about battery life surely? Also, you bought it second hand, you have no idea how the previous owner treated the battery in the time they had it no matter how short a period it was.
Sent from my LG-H850 using Tapatalk
justinxfan said:
I got an LG G5 2 weeks ago and the battery has been outrageously bad. I bought it used and the owned has owned it for 2 to 3 months. There is very little standby drain and the phone is cold to the touch within minutes. Overnight drain is around 10 to 12 percent with always on display which is normal considering the 1 percent per hour loss plus the normal overnight drain. However when I turn the screen on the screen on time is very poor only about 2.5 hrs to 3 hours. The screen brightness is set 20 to 40 percent no auto brightness. There appears to be nothing draining the battery with the screen being the biggest battery draining. I have location nfc Bluetooth and LTE turned off. Along with touch sounds and touch vibration but toggling these settings makes no difference. Its impossible to find out more because I have no root. If this battery continues to be this poor I'm going to be selling it because I cannot stand having to charge twice a day even with quickcharge 3.0 old xiaomi redmi note 3 lasted 2 to 3 times longer on the battery. Any ideas what could be eating my battery?
Click to expand...
Click to collapse
Hello friends
I have a problem with battery and also unable to turn on the WiFi after update.
I just bought my brand new G5 H860 TWN and updated it, which cause the whole device to malfunction.
please correct me if I'm mistaken. An update is meant to improve the functionality of a device not to destroy it.
Apart from this problem the interesting thing is that non of the LG customer cares know whats causing the problem,
A word of advice to LG. Please Do not make something that you don't know **** about.
yours sincerely
have nice day.
3mehdi said:
Hello friends
I have a problem with battery and also unable to turn on the WiFi after update.
I just bought my brand new G5 H860 TWN and updated it, which cause the whole device to malfunction.
please correct me if I'm mistaken. An update is meant to improve the functionality of a device not to destroy it.
Apart from this problem the interesting thing is that non of the LG customer cares know whats causing the problem,
A word of advice to LG. Please Do not make something that you don't know **** about.
yours sincerely
have nice day.
Click to expand...
Click to collapse
Do a factory reset. Then feedback.
bluerain28 said:
Do a factory reset. Then feedback.
Click to expand...
Click to collapse
Thanks for your advise my friend, factory resetting the device was the first thing i did, but i did not solve the issue.
i have tried the following:
-Flash other ROMs from different countries for H860
-booted the device into safe mode and tried to enable the WiFi and etc.
my WiFi MAC is set to 02:00:00:00:00:00 and it means that WiFi has not been detected by android. Also the Bluetooth address is defined as "unavailable".
and the worst of all is its battery drain issue which kill my battery within 5 hours in standby mode, while i can not notice any abnormal battery consumption in "BATTERY USE DETAILS" section in Battery usage setting. this probably means that some other consumer(perhaps the WiFi) uses the battery without being listed.
3mehdi said:
Thanks for your advise my friend, factory resetting the device was the first thing i did, but i did not solve the issue.
i have tried the following:
-Flash other ROMs from different countries for H860
-booted the device into safe mode and tried to enable the WiFi and etc.
my WiFi MAC is set to 02:00:00:00:00:00 and it means that WiFi has not been detected by android. Also the Bluetooth address is defined as "unavailable".
and the worst of all is its battery drain issue which kill my battery within 5 hours in standby mode, while i can not notice any abnormal battery consumption in "BATTERY USE DETAILS" section in Battery usage setting. this probably means that some other consumer(perhaps the WiFi) uses the battery without being listed.
Click to expand...
Click to collapse
H860? H860 haven't got root nor custom ROM yet. Bootloader of H860's still locked.
I've got a brand new LG G5 which I have been using since Thursday and I honestly can say it sucks big time compared to my 2 year old Z3 which can easily get me 4 hrs SoD on mixed usage. Using the exact same set up of apps, location and wifi/mobile use, I am struggling to see more than 2.5hrs SoD with the G5. Honestly, it just drains battery like no tomorrow and this is fresh battery... I dread to think what it will be like in 2 years. Sony made a lot of mistakes but the Z3 really excelled...

Extreme Battery Drain after OneUI 2.1 / September Security update

Hello all, it's been a while since I've posted but this is quite a serious issue and could some guidance. A few weeks ago, I finally updated my Galaxy S9+ to Android 10 after being on 8.0 for so long and it's been a decent update so far. I had gripes with SoT not being the greatest but it was tolerable. Last night, I received an update for my phone and I installed it. Didn't think too much of it and continued on. I charged from my phone to ~87% today, used it lightly while working. By the end of my shift, I had 50% left.
I left the house to go for a 81 minute walk with 47%. I usually don't worry about having enough juice to make it back home but I experienced the worst battery drain I've had with this device so far. During my 90 min walk I:
listened to Spotify using my Galaxy Buds (one ended up dying towards the end because I forgot to charge them)
Checked Instagram occasionally and responded to some texts
Took 2 pics in Snapchat
Had a short video call on Messenger
It was right after the video call I noticed my battery was at 17%, which I thought was very strange. I don't leave apps running in the background for long and I have a habit of closing them out when not actively using them and I noticed the battery kept on draining despite there being no apps open besides Spotify.
Turned on the medium power saving and within a few minutes, I was at 5%. Decided to kill everything and pit my device on max power saving mode for the first time since I've owned the device. By the time I was home, my phone was at 1%.
I'm really baffled at how the battery drained at an exponential rate. I'm a medium user and I've had this phone since late 2018. Never leave location services on, never used AOD, and used the FHD display instead of QHD along with dark mode.
I'm hoping today was just an outlier as I want to keep this phone for another 2 years, but if this happens on a consistent basis I'm gonna have to start searching for a new device.
In the meantime, I have charged my phone to a 100% and disconnected the phone and observed the following:
Within 2 minutes of disconnecting, battery went from 100 - 98%. Not a good sign considering it was just idling
The battery continue to drain every other minute and I could see the battery go down on each unlock
Wiped the cache partition and I went from 93 to 94% for a brief moment prior to the phone going back to the same pattern
This is very worrisome to me as I don't believe the phone will last until midnight, I'm wondering if it's possible to roll back to the previous update.
TL;DR - After the update yesterday, the battery drained at an exponential rate despite light to medium usage
Also, here's some screenshots of my battery usage
http://imgur.com/a/lx5xXSY
I know this isn't the answer you are looking for, but all I can do is suggest changing the battery and doing a full, stock firmware flash via Odin to completely wipe your phone.
I recently replaced my phone's battery and did flash the firmware and my battery is really hanging in there. My battery was also 2 years old and before, I would get about 3h SOT when I play a game (and I do a lot). Now, I'm getting 5h SOT no problem with about 2-3h gaming included, so I really do suggest a battery change. I'm thinking you could be able to squeeze another 1 or 2 years into this amazing phone.
Battery replacement
ShaDisNX255 said:
I know this isn't the answer you are looking for, but all I can do is suggest changing the battery and doing a full, stock firmware flash via Odin to completely wipe your phone.
I recently replaced my phone's battery and did flash the firmware and my battery is really hanging in there. My battery was also 2 years old and before, I would get about 3h SOT when I play a game (and I do a lot). Now, I'm getting 5h SOT no problem with about 2-3h gaming included, so I really do suggest a battery change. I'm thinking you could be able to squeeze another 1 or 2 years into this amazing phone.
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How hard was it to remove the battery? I bought one but unfortunately also a toolkit which seems to be only for iphone, what screw size has the s9+?
aaronanyaralu said:
How hard was it to remove the battery? I bought one but unfortunately also a toolkit which seems to be only for iphone, what screw size has the s9+?
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Click to collapse
Sorry, I had someone paid to do it lol I didn't trust myself.

Android 11 Battery drain discussion

Hey folks, see if this is the right forum to post this.
Like some other people on here and on reddit the latest Android 11 update C.57 caused a lot more battery drain on my device.
Before on A.46 my over night drain was about 2% which is good I think with Wifi on.
With Coloros 11 it can be over 10% drain over the course of 6-8 hours which is far more.
I have tried gather info from my phone which app is draining but it looks rather normal.
Even tried the adb command to force the phone get the phone to do the battery optimazation manually without luck, seems I have dont have the permission to make suchs commands through ADB with USB-debugging mode enabled..
However this morning I found in Settings>Battery>More Battery Settings>Optimize Battery Use
The whole list on every app there was set to "Always ask" and not "Optimize Automatically"
Now I changed every app to Optimize Automatically and will see how this affects the current drain.
I read somewhere that to the phone to get to this "state of battery optimazation" you need to have the phone in the right state to execute that which was Battery Full on Charger in idle mode not moving for a few hours.
So I thought if the battery optimazation settings where set to "always ask" (which it never did) this state maybe never happens?
Anyways feel free to share your battery settings and what Battery standby drains you guys got because I have been going a little nuts over this issue haha.
I wouldn't bother changing the battery optimisation settings, they seem to reset themselves.
I wasn't getting great battery life so finally did a factory reset. After a week the battery settled down and is now ok, probably around 5.5 hours screen time a day at qhd 120hz with always on display in from 8am to 11pm. I don't really check battery drain overnight, I will check it and report back.
__NBH__ said:
I wouldn't bother changing the battery optimisation settings, they seem to reset themselves.
I wasn't getting great battery life so finally did a factory reset. After a week the battery settled down and is now ok, probably around 5.5 hours screen time a day at qhd 120hz with always on display in from 8am to 11pm. I don't really check battery drain overnight, I will check it and report back.
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Click to collapse
Yes I checked them again now after you mentioned it and they do seem to reset. However now my phone seems to work how it should, currently 3 hour screen on and 64% battery left. Wifi at home all day. Also the standy drain is night and day better now. Maybe this was a bug in Android 11 that kept it from optimize the apps?
I have adaptive on both refresh and resolution and same Always on time settings as you.
Robsjo said:
Yes I checked them again now after you mentioned it and they do seem to reset. However now my phone seems to work how it should, currently 3 hour screen on and 64% battery left. Wifi at home all day. Also the standy drain is night and day better now. Maybe this was a bug in Android 11 that kept it from optimize the apps?
I have adaptive on both refresh and resolution and same Always on time settings as you.
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Glad it's working better now. I do find the battery a bit inconsistent, some days it's great and others it goes down quickly. I've turned location off now as dont need it that much, I lost 3% overnight which seems good to me.
I really don't understand how you guys get such a low battery drain overnight.
On ColorOS 7 I had 10-12% drain overnight.
On ColorOS 11 it stayed the same. I have reset my phone, now it's about 7-8%.
This is with night optimization on in the settings. 5G disabled.
I always was able to get that 3% on my older OP 7 Pro. Even on my Realme X2 Pro, which had the same OS!
Also, my SOT is not that good. On mixed data/wifi I only usually get 3.5hrs SOT. After the reset its 4hrs now.
With 5G on it's unusable, even with good coverage here. (AccuBattery: 6hrs SOT, 57hrs standby, just very bad)
It's nice to have Dual SIM now with Singapore EX, but I cant use it, my battery just can't handle that.
I kept this phone just because the rest is awesome, but the battery is such a letdown.
I thought it was a SD865 problem, but I also had the Mi 10 and Poco F2 Pro as a secondary device without any drain problems.
__NBH__ said:
Glad it's working better now. I do find the battery a bit inconsistent, some days it's great and others it goes down quickly. I've turned location off now as dont need it that much, I lost 3% overnight which seems good to me.
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Click to collapse
3% seems good.
However I had a big drain again over night so gonna try to set apps to optimize again.
It is indeed very inconsistent
Jordytjes said:
I really don't understand how you guys get such a low battery drain overnight.
On ColorOS 7 I had 10-12% drain overnight.
On ColorOS 11 it stayed the same. I have reset my phone, now it's about 7-8%.
This is with night optimization on in the settings. 5G disabled.
I always was able to get that 3% on my older OP 7 Pro. Even on my Realme X2 Pro, which had the same OS!
Also, my SOT is not that good. On mixed data/wifi I only usually get 3.5hrs SOT. After the reset its 4hrs now.
With 5G on it's unusable, even with good coverage here. (AccuBattery: 6hrs SOT, 57hrs standby, just very bad)
It's nice to have Dual SIM now with Singapore EX, but I cant use it, my battery just can't handle that.
I kept this phone just because the rest is awesome, but the battery is such a letdown.
I thought it was a SD865 problem, but I also had the Mi 10 and Poco F2 Pro as a secondary device without any drain problems.
Click to expand...
Click to collapse
Yes I agree the battery drain is very weird with this OS.
Have you tried changing the settings in the battery optimize section? I turned on optimize automatically and then charged my phone full and let it sit for a while with charger plugged.
Try this and see if it gets better.
Its weird that the settings change after a while tho.
Just recently managed to use the phone and have to confirm ColorOS 11 is killing battery overnight, I have this for few weeks now so should be all optimised, yet still overnight is around 25-30% battery gone, my previous mate 20 pro was taking maybe 2-3% overnight so is massive hit. No notification is allowed, do not disturb on with wifi and mobile off, really weird is behave like something in the background was still on.
mine only about few percent but my battery life sucks at 4-5 hour ish

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