tp2 gsm switching

[daylate]

Hello guys, I'm using tp2 energy rom on metro pcs everything work fine also i'm sim unlock for U.S. the problem I'm having is when ever I switch network from cdma to gsm, then back to cdma i loose my metro setting it puts sprint back on. Is there a way to delete all sprint stuff since i have no need for it anyway and to keep my metro pcs setting..any help would be appreciated..