sony xperia bootloader unlock

Full tutorial of unlock and relock the bootloader of any sony xperia device

Requirements :-

  1. Sony flashtool
  2. USB Drivers
  3. A USB cable

For unlock the bootloader of your sony xperia smartphone please follow the steps given below :-

  1. Download and install latest version of sony Flashtool from HERE .
  2. Extract and open the Flashtool and Click on BLU Icon located at the top
  3. Now, Turn off your device and connect it to the pc by pressing the boot key when Flashtool show a window to connect the device .
  4. Flashtool will check your device and than you need to connect your device once more, now with holding volume up button
  5. click on get unlock key button, it will switch you to Sony Mobile website, here select your phone and hit continue
  6. fill your email adress and accept terms and conditions, than click submit
  7. go to your mailbox and click on Click here to proceeed link in mail from Sony Mobile
  8. copy IMEI from Flashtool to Sony Mobile site and once more accept term and contidion, than click submit
  9. copy unlock key to Flashtool window and than click unlock
  10. your device is unlocked

9. how to relock your bootloader
a) download and install latest Flashtool from this article
b) start Flashtool and click on BLU button on the top
c) turn off your phone and when Flashtool shows pop up window, connect phone to PC with holding volume down button
d) just click on relock button and your bootloader is locked for now

In your device, open the dialler and enter *#*#7378423#*#* to access the service menu.
Tap Service info > Configuration > Rooting Status. If Bootloader unlock allowed says Yes, then you can continue with the next step. If it says No, or if the status is missing, your device cannot be unlocked.