“The unlocked iPhone includes all the features of iPhone but without a contract commitment. If you prefer to use a local carrier when traveling abroad, the unlocked iPhone is the best choice.” Reddit · r/apple · 14 years ago Pro-Tips for Buyers Why I'm considering buying the unlocked iPhone 4S : r/apple
: You can move between major networks or use budget-friendly MVNOs (Mobile Virtual Network Operators) like US Mobile.
: 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.
: Be cautious of "chip unlocked" devices, which use an internal modification to bypass carrier locks and may have unstable network performance. Genuine "Factory Unlocked" phones come directly from Apple or reputable retailers without these restrictions.