ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on certain carriers or devices.One of the codes also might erase your data, so ...

You'll need your iPhone's IMEI number if you want to unlock it and use it on a different cellular provider.

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 ...

I love hidden features on my devices. It’s fun to learn something new about the tech you use every day, to discover the little features that aren’t advertised. And unless you spend a lot of time ...

Knowing this short code will prove itself useful if you ever happen to lose your phone, given that you entered the code prior to misplacing your phone, that is. Entering this into your keypad shows ...