How to Tell If an iPhone Is Unlocked

In the United States, iPhones are locked so that only AT&T subscribers can use them. Similar setups are present in other countries as well. However, this doesn't stop people from hacking or unlocking their iPhones so that would work on any network that can take a SIM card. Before you purchase an iPhone, however, you should make sure it is unlocked. You can do so by following a few simple steps.

Step

Open the SIM card slot located on the top of the iPhone.

Step

Remove the SIM card from inside the iPhone.

Step

Insert the replacement SIM card and close the iPhone.

Step

Turn on the iPhone. Wait up to two minutes, then try to place a call. If the call works, the iPhone is unlocked.