1-> Clean install any stable rom Freedom/Experience links in the end.
2-> After that setup your phone add email accounts (Do this before following steps).
3-> Go to Settings -> WiFi -> Click gear icon -> Turn off smart WiFi Switcher.
4-> Go to Settings-> Backup & Reset and disable backup.
5-> Go to Settings-> Advanced -> Disable "Join User Experience"
6-> Go to settings-> Location -> Scanning -> Turn off both WiFi and Bluetooth scanning (I prefer to turn on location whenever I need)
7-> Install AKT (Links provided below)
8-> Now open AKT -> Balanced-> Select HawkPepper (Similar performance when compared to stock but battery friendly).
9-> Make sure AKT is not in the list of Greenify and also go to Settings -> Battery -> Aggressive Dose & Hibernation -> make sure AKT is not optimized.
10-> Go to Settings -> Apps -> click 3 dots and select show system apps -> Force stop Google Play Services, Play Store & Google Services Framework -> Clear data for Play Services & Google Service Framework
11-> Reboot to recovery -> Wipe Cache And Dalvik
Done.
Use for at least 3 to 4 cycles because since we did clean flash first 2 cycles may consume more battery.
After 3 to 4 cycles, if you still notice drain then do steps 10 and 11 again.
Links :
FreedomOS : https://xdaforums.com/oneplus-3/development/rom-freedomos-ce-1-7-t3470660
Experience: https://xdaforums.com/oneplus-3/development/rom-experience-rom-v1-0-t3522259
AKT: https://www.androidfilehost.com/?fid=529152257862697871
2-> After that setup your phone add email accounts (Do this before following steps).
3-> Go to Settings -> WiFi -> Click gear icon -> Turn off smart WiFi Switcher.
4-> Go to Settings-> Backup & Reset and disable backup.
5-> Go to Settings-> Advanced -> Disable "Join User Experience"
6-> Go to settings-> Location -> Scanning -> Turn off both WiFi and Bluetooth scanning (I prefer to turn on location whenever I need)
7-> Install AKT (Links provided below)
8-> Now open AKT -> Balanced-> Select HawkPepper (Similar performance when compared to stock but battery friendly).
9-> Make sure AKT is not in the list of Greenify and also go to Settings -> Battery -> Aggressive Dose & Hibernation -> make sure AKT is not optimized.
10-> Go to Settings -> Apps -> click 3 dots and select show system apps -> Force stop Google Play Services, Play Store & Google Services Framework -> Clear data for Play Services & Google Service Framework
11-> Reboot to recovery -> Wipe Cache And Dalvik
Done.
Use for at least 3 to 4 cycles because since we did clean flash first 2 cycles may consume more battery.
After 3 to 4 cycles, if you still notice drain then do steps 10 and 11 again.
Links :
FreedomOS : https://xdaforums.com/oneplus-3/development/rom-freedomos-ce-1-7-t3470660
Experience: https://xdaforums.com/oneplus-3/development/rom-experience-rom-v1-0-t3522259
AKT: https://www.androidfilehost.com/?fid=529152257862697871
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