ZF Model: ZB633KL
RAM: 4G
Firmware/APP Version: android9.0
Frequency of Occurrence: 5 jun 2019
Rooted: No
APP Name: android9.0
Screenshot: https://us.v-cdn.net/6031231/uploads/ww_attachments/201907/27/220855u6g7z6y6666ytr7d.jpg
update 8.1 to 9.0 mobile not display full wave wifi but zenfone max pro m2 have front camera. but 07/2019 modify display screen brightness adjust ok.
old version android 8.1 display wifi full wave is up conner left ok.
