If a device is stuck in a boot loop or won't turn on (only showing a red LED), the tool can often force-flash the S1 bootloader files to revive the hardware. How to Use the S1 Unlock Tool
If you are trying to unlock a or a forgotten PIN , use official Sony methods:
If a device is stuck in a boot loop or won't turn on (only showing a red LED), the tool can often force-flash the S1 bootloader files to revive the hardware. How to Use the S1 Unlock Tool
If you are trying to unlock a or a forgotten PIN , use official Sony methods: s1 unlock tool sony