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If you are switching to a different LG phone or you just want to make a backup copy of the contacts in your phone book, saving your data to the phone's SIM card is the most convenient way to ...

Since many smartphones require you to use a touch screen to perform most functions, you might not be able to do much with the phone when the screen goes blank and stops working. It's even more of a ...

Google Contacts lets you transfer contacts between Android smartphones by syncing them with your Google account. Alternatively, you can share contacts using VCF files. This article covers these ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...