What's the SIM unlock policy for Verizon, T-Mobile or AT&T? These are each carrier's current device unlock policy as of 2026.

In a first for US wireless carriers, Sprint and Verizon Wireless will allow iPhone 4S customers to unlock their mirco-SIM card slots, which enables use on wireless networks around the world, reports ...

When the first iPhone 4S story was written here on SlashGear announcing said device, it was entitled iPhone 4S World Phone revealed – as it turns out, that doesn't mean the same thing to all carriers ...

Prior, Verizon had a 60-day wait period before you could unlock your smartphone, but that's no longer the case. Here's what ...

Verizon has officially ended its 60-day automatic iPhone unlocking policy for prepaid brands. Here is why users on Visible ...

One of the promoted specifications on the new Apple iPhone 4S is the "world phone" capability, but it isn't quite the world phone that many international travelers who use GSM phones are used too.

If you own an iPhone 4 on AT&T, using the device while traveling internationally means paying sky-high roaming fees, jailbreaking or limiting data use to when you're on a WiFi network, either with a ...

In this edition of Ask Maggie, Maggie Reardon gives one reader the lowdown on which carriers will unlock the iPhone 4S for use overseas and which one won't. Marguerite Reardon started as a CNET News ...

Well this is a very cool development for those who have purchased, or are planning on purchasing, the Verizon version of the new LTE iPad. It turns out that the micro-SIM slot on the device will ...

UPDATE: A Sprint representative tells Ars Technica that it will not offer the iPhone 4S with an unlocked micro-SIM card slot, despite earlier reports that it would. Instead, customers must use ...