insert a non accepted sim and enter code [bold]ONLY ONCE[/bold] : [bold]#pw+803941721111551+7# [/bold] or [bold]#pw+452047376012554+1#[/bold] If you get an error, what is the exact error message? Have you tried over 5 times to unlock the phone? If so, your phone can be hardlocked.
ayhad #pw+887 291 507 534 207+7# Insert a sim card from another provider and when it says phone restricted, press undo and enter the code.