REFERENCE Vivo Y91 (1817) invalid imei Done ->via SDcard

[j4m2_6]

Vivo Y91 (1817)​

• Recovery mode, then select Install update > Phone Storage or SD card
• Select the firmware > touch Next to begin installation (For Funtouch OS 2.0 and lower version, select “
• Apply update from internal sdcard (Phone storage)” or “apply update from external sdcard(SD card)”
• Depending on where you copied the file to, then select the firmware to install)...

• Link --> Click ME​

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Done...