Can't downgrade from Android 10 to pie

[randycdevera]

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?

[Y_ASUS]

Hi ranz, Please make sure to follow the downgrade steps: https://www.asus.com/support/FAQ/1042349/ If the problem still occurs, please check your PM for a message I've sent you. Thank you 🙂