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[Q][T] Unlock Bootloader on O2?

Hi
Just wondering whether anyone has an XT bought from O2 UK, as I am looking to get one of these phones, and whether you were able to unlock the bootloader (do O2 allow it?)
Also, what state are CM10/10.1 in right now, as in what does/doesn't work.
Thanks

razzmataz1478 said:
Hi
Just wondering whether anyone has an XT bought from O2 UK, as I am looking to get one of these phones, and whether you were able to unlock the bootloader (do O2 allow it?)
Also, what state are CM10/10.1 in right now, as in what does/doesn't work.
Thanks
Click to expand...
Click to collapse
I don't have O2, but this has been dealt with several times in the forum before regarding unlockable phone or not.
Type *#*#7378423#*#* and check with "Configuration" for youself

@datagubben
I think he is asking before he buys the device.
@razzmataz1478
I suggest ask the salesman when he sells it to you, and if he cannot answer the question goto to vodafone, every single phone I have from them is sim unlocked and bootloader unlockable.

gregbradley said:
@datagubben
I think he is asking before he buys the device.
@razzmataz1478
I suggest ask the salesman when he sells it to you, and if he cannot answer the question goto to vodafone, every single phone I have from them is sim unlocked and bootloader unlockable.
Click to expand...
Click to collapse
IC, you are right.

gregbradley said:
@datagubben
I think he is asking before he buys the device.
@razzmataz1478
I suggest ask the salesman when he sells it to you, and if he cannot answer the question goto to vodafone, every single phone I have from them is sim unlocked and bootloader unlockable.
Click to expand...
Click to collapse
I'll be buying this online, as it's refurbished and quite cheap, albeit on a bad tariff (100MB internet :crying.
I did talk to an online adviser who was pretty useless and had no idea what a bootloader was, so that is why I came here to see if anyone with an O2 branded version could tell me. I shall wait for an answer

razzmataz1478 said:
I'll be buying this online, as it's refurbished and quite cheap, albeit on a bad tariff (100MB internet :crying.
I did talk to an online adviser who was pretty useless and had no idea what a bootloader was, so that is why I came here to see if anyone with an O2 branded version could tell me. I shall wait for an answer
Click to expand...
Click to collapse
It'll probably be the same as my xperia T (sounds like the same deal i got), the bootloader is not unlockable on mine.

I'm on o2, got the Xperia t. I'm locked completely :/ we're hoping for a kexec or some other way around it by tampering in the ta, but nothing yet.
Sent from my LT30p using xda app-developers app

Galcactus said:
I'm on o2, got the Xperia t. I'm locked completely :/ we're hoping for a kexec or some other way around it by tampering in the ta, but nothing yet.
Sent from my LT30p using xda app-developers app
Click to expand...
Click to collapse
Fingers crossed someone will come up with something soon

I'm fairly sure O2 phones are locked for good. I got mine off phones4u having cancelled my O2 order after finding out this was the case.
Sent from my Xperia T using Tapatalk 2

Hm that doesn't sound too good. I'm still thinking of getting the T but I was looking forward to putting some CM ROM on it. Guess I'll have to live without. Thanks guys.
What about flashing a generic ROM? Would that work? I've never owned a phone with a locked bootloader so I'm not sure how they work.

razzmataz1478 said:
Hm that doesn't sound too good. I'm still thinking of getting the T but I was looking forward to putting some CM ROM on it. Guess I'll have to live without. Thanks guys.
Click to expand...
Click to collapse
Just get a vodafone Xperia T if you really want to unlock the bootloader.

Stock FTFs can be flashed on locked bootloader
Sent from my LT30p using xda app-developers app

Mad Marty said:
Stock FTFs can be flashed on locked bootloader
Sent from my LT30p using xda app-developers app
Click to expand...
Click to collapse
Of course they can....whats your point? Stock FTF's are complete stock roms.

Got my Xperia T on o2 through Tesco Phone Shop,
sim unlocked and unlockable bootloader.

My Xperia T is from O2 which was sim locked and bootloader locked.
Thanks to the folks at Cellunlocker.net, after emailing them, 2 days later my sim was unlocked, and my O2 sim was set on fire and extinguished through urination.
Cost £25 through Cellunlocker, O2 cost £20 AFTER 12 months usage.

gregbradley said:
Of course they can....whats your point? Stock FTF's are complete stock roms.
Click to expand...
Click to collapse
He asked if Generic ROMs could be flashed on locked bootloader
Sent from my LT30p using xda app-developers app

Mad Marty said:
He asked if Generic ROMs could be flashed on locked bootloader
Sent from my LT30p using xda app-developers app
Click to expand...
Click to collapse
True, He did say that, but since its blindinly obvious that that is allowed I interpreted his "generic" rom to mean a "stock based" rom, looks like we got our wires crossed.
Edit
To clarify the point
All phones can flash stock FTF files
Rooted phones with recovery can flash stock based roms and FTFs
Unlocked bootloaders can flash custom kernels, all custom roms, stock based roms and FTFs

Good that you clarified it Greg, I agree that it was not completely clear what he meant.
Sent from my LT30p using xda app-developers app

gregbradley said:
True, He did say that, but since its blindinly obvious that that is allowed I interpreted his "generic" rom to mean a "stock based" rom, looks like we got our wires crossed.
Edit
To clarify the point
All phones can flash stock FTF files
Rooted phones with recovery can flash stock based roms and FTFs
Unlocked bootloaders can flash custom kernels, all custom roms, stock based roms and FTFs
Click to expand...
Click to collapse
Right that's made it clearer for me, thanks.

I'm in India but got an o2 uk unlocked XT!! the bootloader is locked forever. better not to buy from o2

[Q][T] "bootloader UNLOCK allowed:NO"

Hi all, I'm so sorry for posting this if there is similar thread. I've searched a lot about my problem, but still can't find a resolve. I want to update my Xperia T (LT30P) to JB 4.2.2, but my phone says "bootloader UNLOCK allowed:NO". I have read some threads but they are all too old and maybe outdated. I'll be very thankful if you help me to update my phone. Thanks!

Only if a rom uses a custom kernel you will need an unlocked bootloader. Stock based roms can be installed on a locked bootloader. There is however no 4.2.2 stock based rom, as there is no stock update to 4.2.2 (yet).
It really has all been covered in the All in One thread (sticky in this forum).
Sent from my LT30p using xda app-developers app

so I can't install even the CM10 ?

No I can't either for cyanogenmod you need a custom kernel which needs an unlocked bootloader
Sent from my LT30p using XDA Premium 4 mobile app

Did you read the first few lines in the first post in the first thread in the Q&A section?
It clearly states that if it says no, then you cannot unlock.
No unlocked bootloader = no custom kernel = no Cyanogenmod

same
I also encountered cases similar to yours and send mail to sony but they say that this case can not be unlocked

nikolaylechev said:
Hi all, I'm so sorry for posting this if there is similar thread. I've searched a lot about my problem, but still can't find a resolve. I want to update my Xperia T (LT30P) to JB 4.2.2, but my phone says "bootloader UNLOCK allowed:NO". I have read some threads but they are all too old and maybe outdated. I'll be very thankful if you help me to update my phone. Thanks!
Click to expand...
Click to collapse
Try at Sony Lt29i
maybe you can try to delete the /data/data/com.sonyericsson.android.servicemenu with RE then restart your phone,
wish to help you!

dawn_night said:
Try at Sony Lt29i
maybe you can try to delete the /data/data/com.sonyericsson.android.servicemenu with RE then restart your phone,
wish to help you!
Click to expand...
Click to collapse
I have never heard such utter Bull in all my time on xda....
This will never work.
Please read the first few lines of the very first first post in the very first thread in this section....
IF IT SAYS NO, IT MEANS IT CANNOT BE DONE (29/11/13)

gregbradley said:
IF IT SAYS NO, IT MEANS IT CANNOT BE DONE (29/11/13)
Click to expand...
Click to collapse
Unless you contact your provider
Sent from my LT30p using XDA Premium 4 mobile app

Who will also say no.... I have not heard a single account of anyone contacting their provider who then said they could unlock their bootloader
Sent from my C6903 using XDA Premium 4 mobile app

I saw on sony site that someone's carrier did unlock their xperia neo bootloader with bootloader unlock allowed no
Sent from my LT30p using XDA Premium 4 mobile app

Show me the post....
Sent from my C6903 using XDA Premium 4 mobile app

http://talk.sonymobile.com/t5/Xperi...ock-Allowed-NO-to-YES-Mt11i-Claro/td-p/317733 also click the link on one of the posts

I cant see anything there at says its been done...

Click on the link said by uliwooly
Sent from my LT30p using XDA Premium 4 mobile app

FaiselW said:
Click on the link said by uliwooly
Sent from my LT30p using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I did,
I got this
http://talk.sonymobile.com/t5/Andro...wed-No-SONY-solve-it-please/m-p/181271#213510
(PS you could have provided this link)
And again, this says nothing about unlocking the bootloader when it says "Bootloader unlock allowed :no"
please can you provide the specific link where someone has said it has worked for them...otherwise this is turning it the j.anderson post of the x10 in the past, all promise and no actual delivery

gregbradley said:
I did,
I got this
http://talk.sonymobile.com/t5/Andro...wed-No-SONY-solve-it-please/m-p/181271#213510
(PS you could have provided this link)
And again, this says nothing about unlocking the bootloader when it says "Bootloader unlock allowed :no"
please can you provide the specific link where someone has said it has worked for them...otherwise this is turning it the j.anderson post of the x10 in the past, all promise and no actual delivery
Click to expand...
Click to collapse
Right. What happened in that thread was Sony Xperia support gave customers of Movistar (one carrier) an opportunity to make arrangements to send their phones to Sony, so they could physically unlock their bootloaders for them. Sony offered that service to that specific group of Movistar customers that had received SIM unlock codes from Movistar. It's a little bit of an exceptional situation.

nikolaylechev said:
Hi all, I'm so sorry for posting this if there is similar thread. I've searched a lot about my problem, but still can't find a resolve. I want to update my Xperia T (LT30P) to JB 4.2.2, but my phone says "bootloader UNLOCK allowed:NO". I have read some threads but they are all too old and maybe outdated. I'll be very thankful if you help me to update my phone. Thanks!
Click to expand...
Click to collapse
im havin the same issue plz help me unlockin bootloader

LaZiODROID said:
Right. What happened in that thread was Sony Xperia support gave customers of Movistar (one carrier) an opportunity to make arrangements to send their phones to Sony, so they could physically unlock their bootloaders for them. Sony offered that service to that specific group of Movistar customers that had received SIM unlock codes from Movistar. It's a little bit of an exceptional situation.
Click to expand...
Click to collapse
I dont think that its an exceptional situation. I'm from spain (sorry for the misspellings), and Sony Its unlocking bootloaders from all providers, in my case one Xperia V from Yoigo (Telia spain) its now on the Sony service for changing the status from unlocking allowed: no to yes for free.
This situation its a mess from sony, because all the devices sold as unlocked where unlocked from provider and can be unlocked the bootloader. But the ones sold from providers and locked to them, once you obtain de unlock code (from Yoigo in my case) only unlocks from provider and not the posibility of unlocking the bootloader.
The conditions for changing the status of unlocking the bootloader are that you have previously unlocked the provider by any way, I mean buying a unlock code or obtaining it from your provider. And prove it with the unlock code + IMEI contacting with sony by email. Then in one or two weeks sony will contact you to take the phone to unlock. Try contacting Sony, you have nothing to lose.
If you can read spanish or translate it here you have to posts where I take the info:
htcmania .com / showthread.php?t=746342
htcmania .com / poll.php?do=showresults&pollid=2119

Hi!
I got my V unlocked from Sony. I'm from Yoigo too and after conctacting Sony, they took my phone for free, changed the status to Yes and returned to me.
I read about it in the spanish forums htcmania (in the links provided in the previous post), tried it and worked

[Q] Unlock bootloader for a COSMOTE Sony Xperia SP

Recently, dear Santa Claus found out that I was a nice kid this year (like all others) and he decided to give me a nice SP in advance. Because im a very ''curious'' person, i want to know, if i can unlock the bootloader of my SP, in order to be happy to download all the goodies uploaded here.
CAN SOMEBODY HELP ME ???:crying:

Cosmote is a company in greece, so this thread caters to greeks mainly, but help from everywhere is accepted

In the stock dialer dial
*#*#7378423#*#*
Go to service info then configuration.
Look under rooting status
Sent from my LT22i using XDA Premium 4 mobile app

Hamza Murad said:
In the stock dialer dial
*#*#7378423#*#*
Go to service info then configuration.
Look under rooting status
Sent from my LT22i using XDA Premium 4 mobile app
Click to expand...
Click to collapse
will it work for this company ? Because other companies dont allow the unlock, thats why im asking

if bootloader unlock says yes then you can unlock
just remember to backup TA before unlocking

Stellar1 said:
will it work for this company ? Because other companies dont allow the unlock, thats why im asking
Click to expand...
Click to collapse
I`m on COSMOTE too , but i`m from romania but my xperia is unbranded... if the phone is branded on cosmote i think you can not unlock the bootloader.. but that depends ..
just dial *#*#7378423#*#* go to service info then configuration and look there your bootloader unloked status is yes or no .. that`s very simple..

I have Vodafone and i live in Greece but i had no problem unlocking the bootloader because my phone is not branded.
Press the code to see if you can unlock the bootloader and then if it says yes keep the IMEI code of your device.This code is 15 digits long.
Then you go here http://unlockbootloader.sonymobile.com/ and you type your name and your IMEI (only 14 out of 15 digits).
At last you will receive a code that you use to unlock the bootloader using flashtool.

love u man ,thanks a lot, h alliws poly

Unlocking T-Mobile Xperia Z

Hey ppl i tried the forum but couldn't find an answer. So if i tried flashing the xperia z locked to t-mobile with the generic firmware using flash tool,can i bypass the carrier-lock and get a network connection.I think it should work.
Also is it possible to flash the generic firmware on this one??
thanks in advance

alanjolly123 said:
Hey ppl i tried the forum but couldn't find an answer. So if i tried flashing the xperia z locked to t-mobile with the generic firmware using flash tool,can i bypass the carrier-lock and get a network connection.I think it should work.
Also is it possible to flash the generic firmware on this one??
thanks in advance
Click to expand...
Click to collapse
No. Carrier/network/sim lock will not be removed by flashing a generic rom. The only way to unlock our phone is with an unlock code, either from your carrier or an online seller.
Generic software can be flashed to the T-Mobile Z.
Sent from my C6603 using Tapatalk

kingvortex said:
No. Carrier/network/sim lock will not be removed by flashing a generic rom. The only way to unlock our phone is with an unlock code, either from your carrier or an online seller.
Generic software can be flashed to the T-Mobile Z.
Sent from my C6603 using Tapatalk
Click to expand...
Click to collapse
Well i thought simlock was a software restriction only.. THanks anyways..Anyway other than obataining a code??

alanjolly123 said:
Well i thought simlock was a software restriction only.. THanks anyways..Anyway other than obataining a code??
Click to expand...
Click to collapse
It is a software restriction, but the sim lock status is kept in a secure area that cannot be edited without hard bricking the phone (the TA partition). Because of this, there is no unofficial way to sim unlock the phone.
Sent from my C6603 using Tapatalk

[Q] Bootloader hack ?

Hello all, my question is simple, i'm starting with the history of bootloader and sony brand.
And I want to know if anybody know how to hack the bootloader or other methode to bypass Bootloader allowed NO.
My Sony xperia is Sim Locked with SFR but i can unlock it, even if it changes nothing ( i think ^^).
Thank you for all.
Ps : don't be hard with me, i'm starting.
A french guy

No. There's currently no way around it and probably never will be, unfortunately.
Sent from my C6603 using Tapatalk

And no way with my operator or Sony ? ^^

NovaPowder said:
And no way with my operator or Sony ? ^^
Click to expand...
Click to collapse
No. Sony will not change your bootloader as their customer (your operator) is the one that requested a non-unlockable bootloader for their devices. So, they will direct you to your operator and they will not have the means to unlock it for you even if they wanted to.
Sent from my C6603 using Tapatalk