There are many tools available in the market that unlocks your device bootloader and hence it allows device owner to play more with their device. But sometimes, those unlocked bootloaders doesn’t allow device owner to update to a higher OS version or apps and also will void the warranty.

To solve this problem, one of the Xda members, the_laser has developed a tool that will re-lock the device back to their original configuration. This tool is designed especially for Sony Ericsson Xperia X10 which require only a flash-mode USB driver and the unlocked bootloader.

How to Re-Lock Xperia X10 Bootloader

To begin with this app:

  • You need to have a unlocked bootloader X10 device
  • The Re-lock tool [download link provided below]
  • Flash mode drivers
  • Now, run the tool, and  press “Restore”
  • The re-lock tool in no-time restores the original bootloader on X10.

If you find any problem in using this tool, then please let us know in your comments below.

Download Re-Lock tool from here.

via Xda-developers