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Battery drained too fast, and last for 2 hours only from 100%

341210_BP
Star I
I am having a problem with my battery aa mentioned on the title above, and it started as soon as the firmware was updated.
Kindly assist...

Thank you in advance.
6 REPLIES 6

AJ1
Rising Star II
341210!BP

I am having a problem with my battery aa mentioned on the title above, and it started as soon as the firmware was updated.

Kindly assist...

Thank you in advance.


Battery drained too fast, and last for 2 hours only from 100%
Which firmware r u using & on which model u r facing this issue. Can u share SS of battery? Try to recalibrate

341210_BP
Star I
I am not sire which firmware was it, but ot was auto downloaded on my phone. Im using Zenfone Max Pro M2.
screenshot-20201228-175228.png

Christine_ASUS
Community Legend II
Hi 341210!BP
Thank you for your asking. Kindly provide the information below so that we can better assist you.
1. Does the issue appear right after any system/apps' download or update?
2. If the "Fingerprint" is turn off, does the situation remain the same?
Settings>Security>Fingerprint
3. Enter "Safe Mode" and leave a 100%-charged phone in sleep(idle) mode in a night, then provide me the screenshot of 
①Setting>Battery
②Setting>Battery>3 dots on the top"Show app usage"
# How to enter and exit "Safe Mode"
https://www.asus.com/support/FAQ/1005163/
If the battery works well in "Safe Mode", please check on any disturbance from the installed 3rd party Apps.
4. If the issue remains the same in "Safe Mode", please try "the Factory Reset" 
Settings>System>Reset options>Factory data reset
Please note that once the Factory Reset is completed, all data, apps, settings and personal information will be deleted.
5. Is there any zone heating up while using/idling? How long has the battery been used? 

For more information, please refer to the links below
https://www.asus.com/support/FAQ/1009546/
https://www.asus.com/support/FAQ/1009547/

341210_BP
Star I
Hi Christine,
Sorry that I just got back to you now, since apparently after I reported my problem, my battery become swollen, so I was buying a new battery to replace it.
I just got it replaced today, but apparently even the new battery is still showing a very short time. 2 - 3 hours from 100%.
I turned off the fingerprint and it doesn't have any different effect. It still drained fast.
Will try the safe mode tonight and we'll see how it goes.
Will send you the screen shot afterwards.
Oh yeah, forgot to answer your first question, the issue started right after I updated the system software which was automatically downloaded.
Thank you for your assistance.