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[Tutorial] Unlocking BootLoader

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By -SlenderMan-, Senior Member on 9th January 2013, 08:51 AM
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How To Unlock BootLoader...

Information:
Quote:

1: You MAY void your warranty!
2: Unlocking bootloader will result in data loss! Be sure to backup! (SD-Card won't be affected)

Other Info:
Quote:

So I've never seen any Tutorial on this for Xperia V and decided to make one!

Step 1: Download 'Xperia V Unlocked BootLoader.zip' from here ---> http://www.mediafire.com/?hn1n73rfi6dapw0

Step 2: Extract the file you downloaded above on your PC. You’ll get the following three files:

Quote:

1: drivers.zip
2: fastboot_with_Android_USB_file.zip
3: unlockbootloader.sonymobile.com

Step 3: Head over to 'unlockbootloader.sonymobile.com'

Quote:

1: This will open a web page in your default browser. Scroll to the bottom of the Instructions on the page and you’ll see a link like “Continue”, click on it.
2: In the pop-up window click “Yes, I’m sure” and then in the next window click on both the checkboxes, and then click “I accept”.

Step 4: Now insert the details as per the instructions

Quote:

Remember! IMEI can be found by entering *#06# in the phone application!

Step 5: You’ll get a KEY to unlock boot loader. The KEY can be found in your inbox. Write it down somewhere you can remember, it will be used later.

Step 6: Extract everything in step 2 into a folder

Step 7: Put your phone into fastboot mode

Quote:

Turn your phone off. Press and hold Volume Up button while plugging your phone into your PC. A blue LED will come on

Step 8: Install your device driver
Quote:

1: Search 'Device Manager' in the start menu
2: Right click your device (Should be S1Boot Fastboot OR Android Phone)
3: Click 'Update Driver'
4: Locate the driver folder (Remember to extract 'driver.zip')
5: It will automatically install

Step 9: Now extract the fastboot_with_Android_USB_file.zip

Step 10: In the same folder as the extracted content of fastboot_with_Android_USB_file.zip, open command promt

Quote:

Hold Shift while right-clicking in the folder and select 'Open Command Promt'

Step 11: Here is the important part. Type these commands to unlock your bootloader!
Quote:

1: Type in fastboot.exe -i 0x0fce getvar version
2: It should return a value like “0.5”. This ensures that your device is correctly connected
3: Now type in fastboot.exe -i 0x0fce oem unlock 0xKEY
Important! Remember the code you recieved? Replace KEY with that

Step 12: Let it run and when it is finished, your phone's bootloader should be unlocked!

That's it from me! Please leave a comment if i have done anything wrong. (First Tutorial post by the way )
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9th January 2013, 10:57 PM |#2  
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hey
can you use this tool to unlock this phone ?
http://forum.xda-developers.com/show....php?t=1794800
11th January 2013, 03:00 AM |#3  
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Quote:
Originally Posted by cs098

can you use this tool to unlock this phone ?
http://forum.xda-developers.com/show....php?t=1794800

I cant see why it shouldnt.

Quote:
Originally Posted by kartobot

Just a GUI version of the official thing.

It does afterall do exactly the same as if you do it manually, except you dont have to do it.. manually.
Pretty handy tool !
13th January 2013, 09:18 AM |#4  
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How do we find out if my V is unlocked?
13th January 2013, 09:23 AM |#5  
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Quote:
Originally Posted by cire1980

How do we find out if my V is unlocked?

If you haven't unlocked it.. Then it's most probably locked
13th January 2013, 11:07 AM |#6  
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I mean, I've already done all the steps, and it appeared to be successful. But where in the phone could we see that the bootloader is unlocked?
13th January 2013, 01:53 PM |#7  
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Quote:
Originally Posted by cire1980

I mean, I've already done all the steps, and it appeared to be successful. But where in the phone could we see that the bootloader is unlocked?

well if you think it's unlocked, try flashing a ROM and a kernel, if it works, its unlocked, if doesn't then tough luck
14th January 2013, 10:33 PM |#8  
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Just try and get Superuser and busybox. It shouldn't work on locked bootloaders

Sent from your backyard...
Slender watches what you do...
15th January 2013, 08:36 PM |#9  
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Quote:
Originally Posted by cire1980

How do we find out if my V is unlocked?

Dial *#*#7378423#*#*. Go to Service info → Configuration.

Bootloader unlock allowed - Yes: bootloader is locked. Unlock possible.
Bootloader unlock allowed - No: bootloader is locked. Unlock impossible.
Bootloader unlock - Yes: bootloader is unlocked.
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28th January 2013, 09:48 PM |#10  
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Thumbs up Waiting for Device
Can you help I get waiting for device when command prompt when entering fastboot.exe -i 0x0fce getvar version.

So what the problem please?

---------- Post added at 09:48 PM ---------- Previous post was at 09:37 PM ----------

Quote:
Originally Posted by Darkfunnyguy

Can you help I get waiting for device when command prompt when entering fastboot.exe -i 0x0fce getvar version.

So what the problem please?


I manage to get it to work by reconnect the cable.

My Xperia V is now unlocked.
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29th January 2013, 05:24 AM |#11  
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Quote:
Originally Posted by Darkfunnyguy

Can you help I get waiting for device when command prompt when entering fastboot.exe -i 0x0fce getvar version.

So what the problem please?

---------- Post added at 09:48 PM ---------- Previous post was at 09:37 PM ----------




I manage to get it to work by reconnect the cable.

My Xperia V is now unlocked.

....And when unlocked, did Mobile Bravia Engine 2 still works? Try to BE off then make a screenshot, the same goes to when BE is on. Make a comparison. This is a known bug for 2012 Xperia phones. Did Xperia V included?
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