Sprint iPhone 8+ "No Service" using RSim
 

I have an iPhone 8+ from Sprint that is clean IMEI and no balance. I was using the same iPhone with RSim on T-Mobile and was working fine. I transferred service over to Verizon. Bought a new RSIM and inset with Verizon SIM card, and it didn't go to the white lock screen, it just says searching then goes to "No Service" I tried my Verizon SIM on a Verizon phone and it works fine. Does anybody know of any Verizon activation code that I can try? Or has anybody had this issue and fixed it? Please help, Thanks