Have a sprint one max that's sim lock how can I unlock it. It is not blacklisted

wess580

Prominent
Jun 27, 2017
3
0
510
Looking for help Have a sprint one max that's sim lock how can I unlock it. It is not blacklisted
 

wess580

Prominent
Jun 27, 2017
3
0
510
Sprint actually gave me the unlock code a few months back but my one max does not give a prompt to enter my unlock code when I put my T-Mobile sim in