ZenPad 8!0 8 Model 240 Firmware Android 6.0. Flickering non stop

[2yktan]

Please tell us some basic information before asking for help:
Model Name:
Firmware Version:
Rooted or 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.
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ZenPad 8!0 8
Model 240
Firmware
Android 6.0.

Flickering non stop

[2yktan]

This pad is not rooted,And tthe flickering starts when thec pad is turn on.

[2yktan]

last check for update 8/20/20
build no MMB29M.WW_P024-V5.7.2-20160929
ANDROID VER 6.0.1
SOFTWARE BUILD WW_V5.7.2-20160929

[Christine_ASUS]

Hi 2yktan
Thank you for your asking. Has the device ever been fallen or broken before? Also, please try "the Factory Reset" 
Settings>System>Reset options>Erase all data(factory reset)
Please note that once the Factory Reset is completed, all data, apps, settings and personal information will be deleted.

[2yktan]

the tab have not been damaged or broken.

and i have tried "factory reset" several times. the result have been the same. is this a hardware or software? because it suddenly just decided to jump then i tried to update the software then reset it without any success. pls advise.