As i said, you can use Any GSM WORLD WIDE. THIS PHONE IS IN INDIA RIGHT NOW. , so carrier is INDIAN NETWORK. you can use any card in this phone. just be sure dont reset it. or else it will lock again.
Maam, This is Apple Iphone. Fully Working Condition, As per Stated Statement in Auction. I dont sell fake things. Battery cant be remove from Original Iphone. seal is covered by company. its non removable . battery