T-mobile revvl plus

[shamekes6869]

How can I unlock this phone

 

[shamekes6869]

I have a straight talk Sim card out of my old phone and I still have service so can I put it in the t-mobile phone that I I which is revvl plus and it won't unlock sob what do I do to get the phone unlock and on my service plan

 

[rgd1101]

to unlock t-mobile phone, contact t-mobile