I have iPhone 4s,ios 5.1.1 Unlocked with Gevey sim (Cydia) and Base band is 2.0.12. I have Used in Sri Lanka so nicely with Carrier Dialog . When I arrive Qatar the same Dialog SIm still shown carrier as Q tel. I Bought a New Vodafone Sim and used with same gevey sim, It shown as " No Service" and later on as "Invalid Sim". Anyone Please could you help me to use tha iphone in Qatar? Should I wana unlock again?
I Cant keep my iphone to use just wifi only in qatar!!!!!