Exactly Bluce.
This is why if you want to take your phone around to other carriers you wind up going aftermarket (like eBay) and getting a carrier unlocked phone. Even then you need to make sure the device operates on the correct network technologies and bandwidth.
This is why if you want to take your phone around to other carriers you wind up going aftermarket (like eBay) and getting a carrier unlocked phone. Even then you need to make sure the device operates on the correct network technologies and bandwidth.