Can't downgrade from Android 10 to pie

randycdeverarandycdevera Level 1
edited September 2020 in ZenFone Max Pro Series
ZF Model: ZE554KL
RAM: 1G
Firmware/APP Version: QKQ1.WW_Phone-17.2017.1911.407-20191223
Frequency of Occurrence: always
Rooted: No
APP Name:

What's the reason why I can't downgrade my device from android 10 to pie?

any solution on this?

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