Suddenly death after copied file from PC to External Micro SD

edited September 2020 in ZenFone 4 Series
ZF Model: ZD553KL
Firmware/APP Version: WW_15.0400.1903.508
Frequency of Occurrence: Often
Rooted: No
APP Name: Unknown

First i thought it's nougat bug, but i still found this happened after updated it to oreo,
The bug often happened after i copied files from pc to External micro sd then unplugging usb cable, suddenly my phone is dead. How to fix this problem ?
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