(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers finish ...

The new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

Phone suddenly showing "No SIM" or "Invalid SIM"? Don't panic, there are a few quick checks that can get you reconnected fast.

Criminals are increasingly using a technique called “SIM swapping” to steal personal information and gain access to your accounts via your phone.

We may earn a commission when you click links to retailers and purchase goods. More info. We have a bit of bad news to share for those of you who are interested in both buying an international Samsung ...

BHUBANESWAR: In view of the rising cases of mobile phone thefts and consequent monetary frauds, the state Crime Branch (CB) has urged citizens to lock their SIM cards through the settings in their ...

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...