Aoa dosto,

Mere pas aik zong mbb device pari hai. Mai pochna chahta tha k mai iss device mai regular zong sim use kar skta ho k nahi? I mean voice enabled sim...Maine abhi aik new sim nikala hai lekin wo kam nahi kar rha hai. Jabke mere pass aik aur regular sim parhi thi tho jab wo maine iiss device mai dali tho usne kam kiya tha..any help k ye new regular sim kiun kam nahi kar rahi hai?