Learn how to unlock an iPhone without a passcode before you're stuck. You never know when these methods will come in handy.

ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on ...

It may come as a surprise to many, but there are several hidden iPhone codes that have been part of the iOS user experience for years now. And though most users might find these secret codes more ...

If you’ve ever bought a second-hand iPhone or switched to a new carrier, you may have faced the frustration of a locked device. Carrier-locked iPhones prevent you from using SIM cards from other ...

Apple has a pretty tight-knit ecosystem that is very well-built and connected. This means even though most Apple devices have their own separate OS, these interfaces can communicate amongst themselves ...

Major cellular carriers — Verizon, AT&T, T-Mobile, Sprint, and others — typically lock their networks to the iPhone you buy from their stores or pay for via an installment plan. What does that really ...

Leaked documents reveal the secrets behind Graykey, the covert forensic tool used to unlock modern smartphones, exposing its struggles with Apple's latest iOS updates. Graykey is a forensic tool ...

Forbes contributors publish independent expert analyses and insights. Journalist, analyst, author, podcaster. This article is more than 6 years old. It finally just works. Apple’s had facial ...