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[Q] Unlock bootloader

OP plamen97

7th July 2014, 09:12 AM   |  #1  
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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
7th July 2014, 09:16 AM   |  #2  
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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?

Sent from my C6603 using Tapatalk
7th July 2014, 10:01 AM   |  #3  
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Quote:
Originally Posted by kingvortex

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?

Sent from my C6603 using Tapatalk

I bought it second hand from ebay
7th July 2014, 10:06 AM   |  #4  
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Quote:
Originally Posted by plamen97

I bought it second hand from ebay

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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7th July 2014, 10:53 AM   |  #5  
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Quote:
Originally Posted by kingvortex

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.

Sent from my C6603 using Tapatalk

I contacted Sony and my phone was branded to Three UK, so I can't unlock the bootloader
7th July 2014, 10:56 AM   |  #6  
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Quote:
Originally Posted by plamen97

I contacted Sony and my phone was branded to Three UK, so I can't unlock the bootloader

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.

Sent from my C6603 using Tapatalk
16th July 2014, 02:57 PM   |  #7  
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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?
16th July 2014, 03:22 PM   |  #8  
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Quote:
Originally Posted by plamen97

I was just thinking, what will happend if I try to unlock the BL with flashtool? Will it brick my device?

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
16th July 2014, 03:23 PM   |  #9  
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Quote:
Originally Posted by plamen97

I was just thinking, what will happend if I try to unlock the BL with flashtool? Will it brick my device?

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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18th July 2014, 12:29 PM   |  #10  
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Quote:
Originally Posted by androidtweaker1

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

I know, but I want Paranoid and to have it I need a custom kernel :/

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