An unlocked phone is the key to getting service from an alternative carrier. Here's how to check if a phone is unlocked.

Apple says the issue may stem from having an inactive SIM with the same number as your active SIM. To fix it, remove the ...

Gaurav has written about everything from mobile devices and accessories to online services and open-source software. It was the announcement of Android and the Open Handset Alliance in 2007 that drove ...