[Q] Bootloader locked due to carrier? - Xperia Z1 Q&A, Help & Troubleshooting

Hello XDA, just a small question for you all.
Will the Bootloader be permanently locked due to carrier branding? I had a Xperia Z with 3 UK and the bootloader was permanently locked. Thanks!

Hodge92 said:
Hello XDA, just a small question for you all.
Will the Bootloader be permanently locked due to carrier branding? I had a Xperia Z with 3 UK and the bootloader was permanently locked. Thanks!
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You can bet your boots it will be bootloader locked.
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Related

Vodafone xperia z bootloader locked or unlocked?

I have xperia z coming to me Tuesday from Vodafone on bill pay. I just wanted to know if these will have bootloader locked does anyone know.
I'm coming from gs2 and really want to root my xperia and flash some roms again
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locked
juDGEY2k10 said:
locked
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Will it be a lot of hardship to get it unlocked?
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Can not unlock the boot loader but u can root it, best thing is sell it when get it as new (dont open it) then buy a sim free one from phones 4 u
Mine is vodafone as well mate, bootloader can be unlocked. I've left mine locked as root is available. Didn't want to lose BE etc.
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How can it be unlocked if its locked?
How did you root it locked? Also what's BE. I'm new to Sony devices lol
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bravia engine, u can root it without unlocking the boot loader but on yours the boot loader will be locked,
type in *#*#service#*#* then look service info then configuration look at bottom will say if it can be unlocked
Is BE a big loss do you notice it gone?
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i got mine from vodafone and out of the box the bootloader unlock allowed value was yes, however after flashing to uk generic, then rooting it has changed to no, i think this happened during root.
I'm sure I've read on here that it should go back to yes if you unroot and go back to stock.
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does it work with another mobile operator? for example, will xperia z vodafone be working with russian mobile operators?
thx!
Should work anywhere but the uk, its only locked to the uk not the rest of the world
what is the difference between locked and not locked bootloader? what does it change?
i always had htc phones new to sony.

Is this the correct forum for the T Mobile version

I just wanted to find out and clarify if this is the only forum and the one that I want to be and if I am using T Mobile and want to flash t-mobile roms for this device
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lojak29 said:
I just wanted to find out and clarify if this is the only forum and the one that I want to be and if I am using T Mobile and want to flash t-mobile roms for this device
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Yes.
Roam around Xperia Z Android Development and you'll find roms for your device.
The Xperia Z Android Original Development part of the forum is devoted mostly for custom roms beyond stock based. Meaning, you'll need an unlocked device to take advantage of that forum. T-Mobile devices are unlockable, so...
T-Mobile devices are bootloader un-unlockable.
The bootloader on the T-Mobile US Z (C6606) CANNOT be unlocked, so that is to say that it is NOT bootloader unlockable.
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Knucklessg1 said:
T-Mobile devices are bootloader unlockable.
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How did u unlock the boot loader? I heard this thing is near impossible to unlock c6606 I'm running 4.2.2 with working lte
...
They haven't unlocked the bootloader. I think several people here are writing 'unlockable' when they actually mean that it cannot be unlocked.
That is why I posted above to clarify the actual situation with the bootloader on the C6606.
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Unlock bootloader allowed no

Checking it says unlock bootloader allowed no is this because i am sim locked to orange UK? & need to get an unlock code. This is what i had to do with my arc using testpoint anyone answer this for me
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carbon21 said:
Checking it says unlock bootloader allowed no is this because i am sim locked to orange UK? & need to get an unlock code. This is what i had to do with my arc using testpoint anyone answer this for me
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Bootloader and simlock are two completely separate things. If your bootloader status does not allow bootloader unlocking you will NEVER be able to unlock it. This means that you will not be able to flash CM, AOSP or any other custom kernel based rom on your device.
You can still enjoy stock rom based kernels like the following:
http://forum.xda-developers.com/showthread.php?t=2463675
http://forum.xda-developers.com/showthread.php?t=2481248
and root your phone.
Here is a most commonly asked questions video which may clear out some things for you:
Was just checking as my old arc also said unlock not allowed but was unlocked with testpoint unlock & running super jelly bean & custom kernel
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carbon21 said:
Was just checking as my old arc also said unlock not allowed but was unlocked with testpoint unlock & running super jelly bean & custom kernel
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test point exploit has been closed.
If it says its not allowed there is no way to unlock it. Allthough it is not related to sim unlock it generally occurs that branded phones are locked and unbranded are can be unlocked.
One main exception is Vodafone UK, they have given me 3 xperia T's and one Z1 on contract, all of which can be unlocked
gregbradley said:
test point exploit has been closed.
If it says its not allowed there is no way to unlock it. Allthough it is not related to sim unlock it generally occurs that branded phones are locked and unbranded are can be unlocked.
One main exception is Vodafone UK, they have given me 3 xperia T's and one Z1 on contract, all of which can be unlocked
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ok thanks only used the testpoint on an arc about a month ago so didn't know it doesn't work any more no cm for me then :crying:

Why Xperia TL Unlock Bootloader Allow: Yes?

Thanks for click
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It means that you can unlock bootloader of your phone.
nlooooo said:
It means that you can unlock bootloader of your phone.
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I known but TL cannot unlock bootloader
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Why can't? It's jus another mobile device from Sony.
Because TL is a local device
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Almost 99% of TL bootloaders are not unlockable, but there are a few that can be unlocked for some reason . The configuration shows a 'yes' instead of a 'no'. Yet the people get through the unlocking procedure but are stuck because they can't get fastboot to work. It's almost like every TL has its fastboot disabled. Most TLs are AT&T.
Thanks for share
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Can this TL be used as research to unlock the bootloaders of other TL's?
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bolillo said:
Can this TL be used as research to unlock the bootloaders of other TL's?
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I seriously doubt it. I wish it could be like here is it fastboot stuff..now you can unlock.. Cw am he unlock via flash tool?
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I wish I could unlock my bootloader on my old X10a on at&t, there has to be some way to do it. I just can't afford to brick my phone. Keeping lte seems to be the issue because how the bootloader is tied to the driver for the data radio somehow.
jonchance_84 said:
I wish I could unlock my bootloader on my old X10a on at&t, there has to be some way to do it. I just can't afford to brick my phone. Keeping lte seems to be the issue because how the bootloader is tied to the driver for the data radio somehow.
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You can bootloader unlock it you just have to sim unlock it first, just use the page that they made to sim unlock phones and they should send you the code after that it's a matter of looking up the instructions ^^
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[Q] Unlock bootloader

Hey guys. I'm trying to unlock my booaloader of my Xperia Z C6603.
When I go to the service menu and check it says "Bootloader unlock allowed: No".
The point is, that I haven't bought my phone from a carrier, it's unlocked from factory and I don't know why I can't unlocked it
If it says "No", then it's permanently locked.
Did you purchase it brand new, directly from a store or used from a third party?
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kingvortex said:
If it says "No", then it's permanently locked.
Did you purchase it brand new, directly from a store or used from a third party?
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I bought it second hand from ebay
plamen97 said:
I bought it second hand from ebay
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Then it's possible that the seller flashed generic software on a carrier supplied phone that they network unlocked before selling it to you.
You should contact Sony support and they should be able to confirm this if you supply your IMEI number.
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kingvortex said:
Then it's possible that the seller flashed generic software on a carrier supplied phone that they network unlocked before selling it to you.
You should contact Sony support and they should be able to confirm this if you supply your IMEI number.
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I contacted Sony and my phone was branded to Three UK, so I can't unlock the bootloader
plamen97 said:
I contacted Sony and my phone was branded to Three UK, so I can't unlock the bootloader
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Sorry to hear that.
Did the seller advertise it as an unbranded phone? Perhaps you can contact eBay to see if something can be done, even if it's some time after purchase. It's worth a try.
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I was just thinking, what will happend if I try to unlock the BL with flashtool? Will it brick my device?
plamen97 said:
I was just thinking, what will happend if I try to unlock the BL with flashtool? Will it brick my device?
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You cannot unlock a BL locked phone using flashtool.
If you want a different rom there are plenty of stock based custom roms just use the search function
plamen97 said:
I was just thinking, what will happend if I try to unlock the BL with flashtool? Will it brick my device?
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It 100% won't work. You may soft brick the device, but most probably it will just fail with no adverse effect.
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androidtweaker1 said:
You cannot unlock a BL locked phone using flashtool.
If you want a different rom there are plenty of stock based custom roms just use the search function
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I know, but I want Paranoid and to have it I need a custom kernel :/

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