if you want to fix ‘Device not certified‘ error on your poco x4 GT then this article for you where we share step by step guide to fix ‘device not certified’ error.
Steps:
- open root explorer
- go to /data/data/com.android.vending/shared_prefs .
- find Finnish.xml
- Open with a text editor, find the “device-google-certified” key and change “false” to “true”.
- save & reboot
Done:
Fix on GSI:
go to twrp terminal
touch /system/phh/secure chmod 644 /system/phh/secure ls -l /system/phh/secure
wipe data & reboot
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