Unlocking a Sony Xperia device typically refers to unlocking its , a process that allows developers and advanced users to install custom ROMs, replace pre-loaded software, or gain administrative "root" access.
Power off your device. Hold the Volume Up button while connecting it to your PC via USB to enter Fastboot mode (the LED should turn blue). Open a command prompt and type: fastboot oem unlock 0xYOUR_UNLOCK_CODE . 2. Alternative Tools (Third-Party) sony unlock tool download
You must have the Android SDK Platform-Tools installed on your PC, which contains the Fastboot utility. Unlocking a Sony Xperia device typically refers to