[Tutorial] Relock bootloader!

Blagus · Jun 21, 2011

Update: As of 29th April 2013, Relock bootloader file has been downloaded 80494 times!

As I already mentioned a week or two ago, there's unlock key in TA Misc after BL unlock.
This file removes the key, therefore relocks the bootloader.

Flash with FlashTool.

DRM can't be restored!

Download: http://www.mediafire.com/file/g1b5j712ajx4yjd/Xperia_Relock_bootloader.ftf

Feel free to donate if this helped you

Update:
If you unlocked your phone with SEtool/Omnius - any testpoint unlock solution - YOU CAN NOT RELOCK BOOTLOADER! IT'S PATCHED SO IT APPEARS LOCKED TO SE, BUT ACCEPTS UNSIGNED IMAGES VIA FASTBOOT! SO STOP ASKING ABOUT IT, AND STOP TRYING.

Also, there seems to be problem with Verizon Plays, usually this doesn't work for them, when unlocked via fastboot.
Enjoy

NielDK · Jun 21, 2011

Good work man.
Gonna test it tomorrow to get my original firmware.

Sent from my U20i using XDA Premium App

Blagus · Jun 21, 2011

Anyone who downloaded and it failed... try again, this is fixed release.

Mills00013 · Jun 21, 2011

Blagus, you're melting my brain with these releases, man! We can barely keep up!

You sir are a gentleman and a scholar. Thanks for your work in this community!

Do you think that the trick to locking and unlocking CDMA is similar?

Blagus · Jun 21, 2011

I'll see what I can do as soon as I get the device! With this trick I don't have to worry about one-shot opportunity!

thomassafca · Jun 21, 2011

Will try it out, I am not able to flash a custom kernel or anything with a locked bootloader right?

Blagus · Jun 21, 2011

thomassafca said:
Will try it out, I am not able to flash a custom kernel or anything with a locked bootloader right?

Yes, and you can unlock again with same unlock key (yes, I'm back here, couldn't sleep

)

Prozel · Jun 21, 2011

Where is my "Blagus" userbar!?

Awesome work!

thomassafca · Jun 21, 2011

Blagus said:
Yes, and you can unlock again with same unlock key (yes, I'm back here, couldn't sleep )

Ok thanks!

Lol that's what I thought! xD

Nhialor · Jun 22, 2011

Blagus, you are the man!

A few questions for you, but you don't have to answer if you don't want to :

1. What age are you (You seem very experienced)
2. When did you start coding and the likes
3. How did you get into this (I would like to start{have 2 years of coding under my belt, but lots more to learn still})

marvi0 · Jun 22, 2011

Blagus said:
As I already mentioned a week or two ago, there's unlock key in TA Misc after BL unlock.
This file removes the key, therefore relocks the bootloader.

Download: http://www.mediafire.com/file/g1b5j712ajx4yjd/Xperia_Relock_bootloader.ftf

Enjoy

Thanks matey, just come across this thread, and want to try this at home, just a quick question, what exactly is contained, in the download link above, is it something we have to flash, or is it just a key, we have to input, in order to re lock bootloader, or all instructions are in the above download link? Thanks?

Blagus · Jun 22, 2011

marvi0 said:
Thanks matey, just come across this thread, and want to try this at home, just a quick question, what exactly is contained, in the download link above, is it something we have to flash, or is it just a key, we have to input, in order to re lock bootloader, or all instructions are in the above download link? Thanks?

Flash with FlashTool.

Blagus · Jun 22, 2011

Nhialor said:
Blagus, you are the man!

A few questions for you, but you don't have to answer if you don't want to :

1. What age are you (You seem very experienced)
2. When did you start coding and the likes
3. How did you get into this (I would like to start{have 2 years of coding under my belt, but lots more to learn still})

1. 16 in July, next month

2. I was always interested in programming and stuff, even before I had internet (2004 or 2005), I found Dev-C++ and I was making new programs by copying parts of source codes of example apps included

3. I got into SE game two and half years ago when I was googling sony ericsson free unlock. I found akshayy.com site where I started with patching and flashing. Later I got knowledge about GDFS and TA from forums, I was experimenting with my K530, and so on... Then I found Omnius team and started cooperating......

Logseman · Jun 22, 2011

Talk about mad skills...

waz000000 · Jun 22, 2011

can also confirm OTA update worked for me after using this:

1: relocked bootloader
2: downgraded and used gingerbreak
3: updated via OTA

All fine.. well done Blagus

thomassafca · Jun 22, 2011

waz000000 said:
can also confirm OTA update worked for me after using this:

1: relocked bootloader
2: downgraded and used gingerbreak
3: updated via OTA

All fine.. well done Blagus

Is the Like button in the mediaplayer working?
----

Sorry, just saw what Blagus added to the first post

haydarm · Jun 22, 2011

waz000000 said:
can also confirm OTA update worked for me after using this:

1: relocked bootloader
2: downgraded and used gingerbreak
3: updated via OTA

All fine.. well done Blagus

Will this trick somehow help with getting the radio back?

Blagus · Jun 23, 2011

haydarm said:
Will this trick somehow help with getting the radio back?

No, since fastboot is still not enabled with this. However, this will most probably come in handy for such phones once fastboot is re-enabled since during unlock, security zone is kind of reset - new sim-unlocked one is calculated.

lezek · Jun 23, 2011

Does this fix TrackID?

ebsglobal789 · Jun 23, 2011

Can I try to use this method on my bricked phone (get worse by used the patch "perset.ta as simlock.ta flashing")?

[Tutorial] Relock bootloader!

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