Disclaimer: The exact software interface changes depending on the specific developer fork of the S1 tool you use. Always back up your data before proceeding, as unlocking wipes the device. Prerequisites
Unlocking the bootloader via any method will likely result in the loss of your device's unique DRM keys. This can permanently degrade proprietary Sony features, such as camera post-processing algorithms, X-Reality display enhancement, and other exclusive software enhancements. While some tools claim to preserve these keys, it's a risky area with no guarantees. s1 unlock tool sony
: Specifically designed for Xperia phones with a "0" counter , meaning the maximum number of manual unlock attempts has been exceeded. such as camera post-processing algorithms