1-First Downgrade
Firmware Here Is Link Vivo_Y55l_PD1613F
Copy this file In to Internal MEMORY or SD CARD. Connect Mobile in Recovery Mode. Press VOLUME UP KEY + POWER KEY .
Click on INSTALL UPDATE option Then Install this zip file in OTA update, After Install Wipe Data (IMPORTENT). It may take a while for the device to turn on.
2-ENABLE DAIG PORT *#558# . Select Quality Verification Test , Tick Debugging Port
3-DOWNLOAD QFIL FLASH TOOL
4-RESTORE QCN (MULTI SIM (TICK)
5-REBOOT DEVICE JOB DONE
Vivo y55L QCN Download Link Here
Firmware Here Is Link Vivo_Y55l_PD1613F
Copy this file In to Internal MEMORY or SD CARD. Connect Mobile in Recovery Mode. Press VOLUME UP KEY + POWER KEY .
Click on INSTALL UPDATE option Then Install this zip file in OTA update, After Install Wipe Data (IMPORTENT). It may take a while for the device to turn on.
2-ENABLE DAIG PORT *#558# . Select Quality Verification Test , Tick Debugging Port
3-DOWNLOAD QFIL FLASH TOOL
4-RESTORE QCN (MULTI SIM (TICK)
5-REBOOT DEVICE JOB DONE
Vivo y55L QCN Download Link Here
Vivo y53 Same IMEI (865407010000009) Repair Solution Job Done CheckOut Here
VIVO V9 (vivo 1723) Same Imei (865407010000009) Sequrity Repair Done CheckOut Here
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