[URGENT] Running T-Mobile Note 4 ROM, How can I use GSM?

Hi there.

I currently have the Sprint Samsung Galaxy Note 4, and I am running a Note 4 T-Mobile ROM. Would it be possible to get my T-Mobile SIM running on this ROM?

I am currently running RAPTURE 8.2 for T-Mobile.

I am willing to make any and all changes to my device to get GSM working.

Thank you so much!

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