Jail broken sprint iPhone 5?

Ok so I know the jail brake for the iPhone 5 is coming out, so I have a T-mobile plan and I've recently got an sprint iPhone5 basically my question is will I be able to use my T-mobile service on the sprint iPhone 5 since the jail brake is coming. Will I need to buy one of those chips that go into the SIM card tray such as the r-sim7?

There's no SIM card slot on sprint or Verizon.

You will need a nano sim card, also no 3gor 4g on tmobile only edge 2g

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