: Unlocked phones are easier to sell and typically command a better price on the used market since they aren't restricted to one network.
: Be aware that "unlocked" doesn't always mean universal compatibility. For example, older unlocked models (like the 4S) may not support both GSM and CDMA networks. buy unlocked iphone
: You can move between major networks or use budget-friendly MVNOs (Mobile Virtual Network Operators) like US Mobile. : Unlocked phones are easier to sell and