Gpg z3x edition slot 2 i want to use it

hi dear team GPG i have z3x edition 2 slot sim i want to know the way i can use it the sencond slot i put sim card UMT TOOLS It’s not work i need a idea or i can use it for second smart card i need to use it for another smart card by another create design by gpg please help urgent because i see new design UMT TOOLS give a error sim card becuase the cover its broke cannot keep safe the sim card.. thank you