had no idea Asawi,
Just changed operator to Vimla from 3, but the network does not work when turning on the phone.
I get the message for "SIM network unlock PIN", what is that? I have tried using the PUK number and the PIN number and the SIM card number.
nut nothing works, really need my phone for work.
What is the problem?
Can you help me thanks
I have a Samsung S4