Sony - Qunlocktool

: Some versions claim to assist with Factory Reset Protection (FRP) removal.

: After the "UNLOCK DONE" message appears, check the service menu by dialing *#*#7378423#*#* and navigating to Service info > Configuration to see if "Bootloader unlock allowed" is now "Yes". qunlocktool sony

: Install the specific Sony S1 bootloader drivers on a Windows PC. : Some versions claim to assist with Factory