If you have access to a working server and credits, the general procedure involves:
It resets the internal SIM unlock counter (even if the counter has hit 0 due to too many incorrect passcode attempts) and permanently removes carrier locks.
If you have access to a working server and credits, the general procedure involves:
It resets the internal SIM unlock counter (even if the counter has hit 0 due to too many incorrect passcode attempts) and permanently removes carrier locks. qunlocktool sony