Help my Motherboard Xperia Miro

[Tit180501]

I have an Xperia miro. and now i got sim locked. i don't know why but before that, has a popup that tell me enter the sim unlock code. i think that is PIN code so i enter and now my phone can't using any sim. i think that is the problem of motherboard. any one can help me ? plz now i don't have any phone to use

[Uliwooly]

Repair your phone with SUS if that doesn't work, then you will have to take it to a Sony repair center 

Update Service (SUS)

[Tit180501]

i re-lock my bootloader . will i lose my warranty? will my fix be free?

[Uliwooly]

Your DRM keys are gone, forever, you can not restore them