devices—typically those sold through specific carriers (like Docomo, Softbank, or Verizon)—and officially signifies that the device cannot be bootloader-unlocked.
If your phone was locked to a specific carrier (like Movistar in Spain), obtaining the and then contacting Sony technical support sometimes allows them to facilitate a bootloader unlock via their own technicians. 4. Important Limitations & Warnings bootloader unlock allowed no to yes
Use a USB cable to connect your device to the computer. Make sure USB debugging is enabled. bootloader unlock allowed no to yes