sony Z5 always simlocked

[Humsaga]

I have a sony Z5 but no matter how much you try to unlock it ,it always displays SimLocked when I put Sim card....Any one have a solution ?

[Alinus]

use cte terminal to rebuild imei

[Humsaga]

Thanks but how do i get cte and how do i use it ?

[Alinus]

there is a recent post in sony forum with program and hints...just search it