Unlock bootloader on locked device

[s4tch]

Hi there,

I have an Xperia P. I bought it from T-Mobile Hungary, it is SIM-locked, and the bootloader is also locked. I read on other boards that the SIM lock can be unlocked via the network operator. I don't need it, I'm all right with the SIM lock.

However, I'd like to unlock the bootloader in order to be able to change kernel, to install custom recovery and custom ROMs. *#*#7378423#*#* > Service info > Configuration > Rooting Status says that I cannot unlock the bootloader via the usual and easy way. Is there any - free or payed - method to unlock bootloader on my device, even by losing the warranty?

[Petter]

Unfortunately it's not possible to unlock the bootloader as far as I'm aware if you have a phone that is branded/locked to an operator.

You can read more about it on the link below.

http://unlockbootloader.sonymobile.com/

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[s4tch]

Thanks, Petter! That's some bad news. I really hoped that my operator can unlock the bootloader.