Q: My SIM card lost its signals several times since I have iPhone, I've checked my SIM card on other's phones and it's fine. So I wonder if there is something wrong with the software or the system. Can I get Ur help?
My SIM card lost its signals several times since I have iPhone, I've checked my SIM card on other's phones and it's fine. So I wonder if there is something wrong with the software or the system. Can I get Ur help?
