Hello, what codes does the phone ask for? Have you tried to enter freeze code first? Sometimes the phone does not ask, but you have to enter it.
You can try to flash modem from this combination and enter codes
https://androidfilehost.com/?fid=4349826312261741726
If this does not help, try the following
Also, seems it is not original firmware of this phone. You can try to flash this one and enter codes on it
https://androidfilehost.com/?fid=8889791610682935342