How to Fix device not certified Error on Poco X4 GT

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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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