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Slow charging and battery drainage after April security patch update

Star I
Please tell us some basic information before asking for help:
Model Name:max pro m1(ZB601KL)
Firmware Version:407(.063update)
Rooted or not:Not
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.


i have the same issue after the update. i put my phone to battery saver but the battery still drains
Model Name:max pro m2 (X01BDA)
Firmware Version: PKQ1.WW_Phone-16.2017.2004.075-20200407
Rooted or not: Not
Frequency of Occurrence: Don't know what this means I'm new
battery drain is really bad and heats up the phone even when on standby. before this update everything is fine

Star I
I am facing the same problem too on my max pro 2

Zen Master III
Please follow below steps may improve battery backup:
1. Enable “Power saver” (Settings > Power management)
2. Close apps that are not used (Bluetooth, WiFi, GPS, etc.)
3. Adjust sleep time and brightness (Settings > Display)
4. Boost memory when you see memory consumes is high with no app running,
5. check for background running applications, stop/disable unwanted apps, you can manage apps from auto-start manager. 

Star I
Super slow charging speed, it stated need 12hours to fully charged from 50% battery. This occurs right after I update the phone
Model Name: ZenFone M1 Max Pro (ASUS_X00TD)
Firmware Version:  PKQ1.WW_Phone-16.2017.2004.063-20200407
Rooted or not:Not
Frequency of Occurrence: everytime 9 out of 10 times
SIdenote: The GPS on my phone also does not work most of the time, will always show GPS lost, no signal, while on the other older phone does not have this issue.