If you are trying to unlock a phone because you forgot the PIN or pattern, you do not use "unlock tools" in the bootloader sense. Google Find My Device: Can be used to remotely wipe and reset the device. Xperia Companion: The official desktop app from Sony Support
includes a "Software Repair" feature that can reset a locked device, though it will erase all data. Important Risks Bootloader Unlock: NO - General - Sailfish OS Forum sony unlock tool download
This is the official method for Xperia devices to allow the installation of custom ROMs. Download/Portal: Official Sony Open Devices Unlock Page If you are trying to unlock a phone
By staying within the official ecosystem, you keep your Xperia safe, your data secure, and your customization journey successful. Happy unlocking. Important Risks Bootloader Unlock: NO - General -
If your carrier refuses, use a reputable IMEI-based service. Avoid any “tool download” – instead, use websites that send an unlock code via email: