MF9 modem to the latest? topic

Need some help upgrading my s4 modem to the latest modem out there, im still on mf9 and I dont remember how to get to the latest one (been out of the game for to long) right now im using Sacs rom and im getting insert sim card errors sometimes and I dont use a sim card, somehow I feel like it could be that im still using mf9 modem, please help and thanks!

Sent from my SPH-L720 using Tapatalk