Damaged bootloader in Xperia T

[jmposvip]

After using an iPhone 1 for almost six years I bought a Xperia T from ebay. O boy was I happy, after so long I had an Xperia phone. But the joy did not last for to long

It was sim locked to a german carier and the seller told me it was easy to unlock it.

I went to a service and they told me that it was not possible to sim unlock this phone because it has a damaged bootloader.

The phone starts normaly, I can use it but without the sim  

Is  it possible to repair the damaged bootloader? Can I sim unlock it? 

Please help

[jmposvip]

I went to a Sony service and they told me that the official software from Sony for unlocking can't unlock it because the phone has a damaged bootloader and that they can't fix it because they don't do that.

Can ssomeone please help? Is there a way to fix the bootloader?

Anyone???

[Thommo]

Does the phone switch on?

If it does dial *#*#7378423#*#* then go to Service info then Sim lock if you have an x in closed brackets like this [x] then it's locked and on the right will be numbers if it has a 0 and the x as above then it can't be unlocked if it has a number other than 0 then that denotes how many chances you have to unlock the device for example

[x] Network  5 means it's locked and you have 5 chances to enter the correct code to unlock

[jmposvip]

Ok, thnxs for the advice. I did that and it says: x Network 0  

is there any way to unlock it?

[jmposvip]

The phone switches on, I can use it normaly 

[Thommo]

None that I know of unless you know someone that has one of these boxes that can unlock it via the eeprom - But no codes will work unfortunately.