CDMA to GSM

[Imesh_Ranwa]

I have Samsung Grand Prime US model(SM-G530R7) network provider is C Spire(LTE/CDMA). It has sim slot when i insert the GSM sim it shows searching for services. I need to use GSM sim on this CDMA phone. Also C Spire network provider said they used CDMA software. So can i change this CDMA to GSM?

 

[Imesh_Ranwa]

MERGED QUESTION
Question from Imesh_Ranwa : "CDMA to GSM Change"

I have samsung grand prime CDMA US model SM-G530R7.It's network provider is C-Spire(LTE/CDMA). I need to use GSM sim in this device. Also C-Spire network provider said they used CDMA software. So can i be able to change it to CDMA to GSM?