: Requires a PC connection using specific Sony 32-bit or 64-bit drivers and putting the phone into a specialized connection mode (often by holding Volume Down while plugging it in).
: Specifically, the Sony Mobile Software Update and USBFlash drivers are required for the PC to recognize the phone in "Flash Mode". Connection qunlocktool sony
Unlocking your bootloader may void your warranty and, if done incorrectly, can lead to loss of cellular signal or device corruption. : Requires a PC connection using specific Sony
: It is the only known method to change the "Bootloader unlock allowed" status from "No" to "Yes" in the device's service menu. : It is the only known method to
: Power off the phone. Hold the Volume Down button while plugging it into the PC to enter "Flash Mode" (often indicated by a green LED) .