RELOCK BOOTLOADER INSTRUCTIONS
If you want to update through sony's service, we must relock BOOTLOADER
for it, this article will guide you want to go back to the original
1. Download C68XX: http://yadi.sk/d/bNIpukky8MPY8
2. / Unzip copy the path "C: \ FlashTool \ devices"
3. / Open FlashTool.exe click BLU (tel shut down 30 seconds volum button
and plug usb) finished it will show up for you including IMEI relocker
table and bootloader unlocker key
4. / Click on the button a few seconds after the completion relocker
Now you can update directly through Sony's servcie.