Unlock Bootloader on Sony Xperia devices (official version)

If you want to know how to unlock Bootloader on Sony’s Xperia handsets, look no further: this article will give you the official answer.

If you are not sure whether your device is capable of undergoing a rooting process, check like this: enter this code *#*#7378423*#*# via the phone keyboard, go to Service info, then go yo Configuration, then to Rooting Status. Here you must check if the “Bootloader unlock allowed” show the “Yes” response. If it does, good.

Get the Android SDK before you do anything else, then fully charge your phone. You must also make backups. Then you have to start the USB debugging, as usual. Afterwards turn off all those programs which keep your handset safe from bugs, Trojans and other dangerous threats.

Important instructions

Here is what you must do in order to unlock Bootloader on your Sony Xperia.

Step 1: see if you have an unlocking bootloader key. If you don’t, go to Sony’s official website. Once you are there, search for the “Start unlocking the boot loader” menu and select it. When it opens, repeat the scrolling part from the previous phase, but this time find something known as “Continue“; when you see it, click on it.
For the second step, do this: check if the “Are you really sure?” message appears on the screen. Select on the “Yes, I’m sure” option, then click on all the “I accept“.
Step 3: wait till “Create Unlock request” message appears.
Then, for the fourth step, you have to enter the following info: IMEI number, Email and phone Name. Not sure about the IMEI part? Simply take your phone and dial the code *#06# using the keyboard.
After you’ve entered all of the above in the earlier step, select the Submit option for step 5. Then verify where the bootloader unlock key is located.
Step 6: copy the unlock key on a notepad file.
For step number seven you need to download the Sony USB drivers for the Windows version used for this process. The Windows 7 32 and 64 bit version .
[sc name=”banner-jos”]Step 8: extract the downloaded archive then and extract it using the same procedure.
Step number 9: open the folder you extracted by selecting the Shift button and right selecting the fastboot file.
Step 10 says the following: choose the option labeled “Open command window here“. Now you have to turn your phone off.
Next is step number 11: make a connection between the phone and the PC via the former’s USB cable. Start the command prompt then type fastboot.exe -i 0x0fce getvar version. You must be careful at the value which will appear. When it does, the phone-PC connection was done.
You now need to, for the final step, enter the next command via the command line: type fastboot.exe -i 0x0fce oem unlock 0xKEY. You must replace the KEY word with the unlock key previously copied in the notepad file.