You should check if your simcard is active first. If it isn't, get a new one. If it IS active, your phone has been blacklisted/barred. You can either get a new phone, or have your phone's IMEI number changed, but you should note that IMEI change is ILLEGAL in most countries.
Answers & Comments
You should check if your simcard is active first.
If it isn't, get a new one.
If it IS active, your phone has been blacklisted/barred.
You can either get a new phone, or have your phone's IMEI number changed, but you should note that IMEI change is ILLEGAL in most countries.
Have a nice day.