sahad
Active Level 4
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Galaxy S
Does anyone is experiencing a battery drain and heating issue after updating to android 11 oneui 3.1. I am experiencing severe heating issue while using normal apps and heavy battery drain also.i am thinking about downgrading to android 10
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Ehsank
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Galaxy S
if after update then wait for few days it may happens after update and as of now perform these below steps one by one and observe

A. Wipe Cache Partition.

Steps to perform.

1) Turn off the device.

(Connect with type C cable and connect with pc/laptop or type c earphone only for Android 11 )
...........OR.......
IF YOU HAVE ANOTHER MOBILE THEN CONNECT WITH CABLE WHETHER IT IS TYPE C TO TYPE C OR MICRO USB PORT take help of otg connector to connect with other mobile.

2) Press and hold the Volume Up key and the spower button.
3) When the Android logo displays, release all keys.
4) Press the Volume down key to navigate and select "Wipe cache partition".
5) Press Power key to select. When the wipe cache partition is complete, Select Reboot System.
6) Press the Power key to restart the device.

B. Reset App Preferences.
Settings >Apps> Tap on Top Right 3Dots and select Reset App preferences.

C. Go to settings >general Management >reset>reset settings.

(NOTE : Reset settings/ Reset App preferences, change all settings to default)
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Ehsank
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Galaxy S
and for further improvement if you not done yet then do some settings to save more battery life and observe for next 1-2 days, it will give a noticeable difference

1. Settings>Connection>more connections settings> disable nearby device settings.

2. Settings>>Location>improve accuracy >disable
A. Wifi scanning
B. Bluetooth scanning .

3. Device care>battery >power mode>select "optimised" and "adaptive power saving".

And then click on "app power management >
And enable these 2 options.
A. Adaptive battery
B. Put Unused Apps to Sleep.

FOR ANDROID 11;
A. DEVICE CARE > Battery>Background Uses Limit > Put Unused App to Sleep
B. Device care>click on 3dot at top right corner>automation>adaptive power saving
C. Device Care > Battery> More Battery Settings>Adaptive Battery


4. Long press on each app specially 3rd party app(LIKE FACEBOOK, YOUTUBE) and rarely used apps and also ON "GOOGLE APP" as well, then click on>app info(ibutton)>> go to these 3 options below on by one

A. Mobile data> allow background data usage>off

B. Battery >allow background activity >off

C. Notification >disable unnecessary notifications like promotional and unnecessary reminder notifications.

5. Go to settings> privacy > permission manager > location> and check which app have accessing your location all the time and if you not using that apps much, then deny access or set as " allowed only while in use"
As unnecessary location access by 3rd party app causing battery drain.

6.  Go to settings > Google > on device sharing> check which 3rd party apps present there for e.g. if you use paytm , paytm will  shared data to show recommendation and suggestion which also cause battery drain

7.  Go to settings > account and backup> Manage account > check which app syncing automatically there, and if any app which not necessary to auto sync then click on it and "disable sync"

8. Go to settings >apps>search "weather" >click on weather settings (icon)> change "auto refresh" settings as per your requirements and disable some unnecessary reminder. ( due to auto refresh it continuously consuming battery)


9. If you use Facebook frequently then disable "auto play video"
And if you are mostly uses mobile, on wifi connection then also disable "auto play videos" in YouTube.

10. Settings>Google >click on 3dot at right top corner>usage and diagnostics >off this option.
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sahad
Active Level 4
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Galaxy S
I have set everything as you have told. I will tell you about the difference. Thanks for your effort
Ehsank
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Galaxy S
waiting for your feedback 😊👍
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sahad
Active Level 4
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Galaxy S
bro now it is better. is it good do update through service centre
Ehsank
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Galaxy S
👍😊
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sahad
Active Level 4
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Galaxy S
updating using odin and updating through service centre . is it both are same
Ehsank
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Galaxy S
yes because they also update through odin but obviously its all about user knowledge about odin
if not enough knowledge about that then avoid to do yourself otherwise your device may be brick completely
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sahad
Active Level 4
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Galaxy S
i have done updating using Odin. 👍