Android: Hold down the power button, or the power button and the volume down key (depending on your Android phone), until the ...

The needle-like tool that causes a SIM card tray to slide out of the phone. Although a narrow safety pin or straight pin can be used, all phones with slide-out SIM trays come with a SIM needle.

[Jason Gin] wanted to reuse the SIM card that came with a ZTE WF721 wireless terminal he got from AT&T, but as he expected, it was locked to the device. Unfortunately, the terminal has no function ...

SIM cards have been an integral yet forgettable aspect of owning a smartphone over the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...

Three free SIM cards come with no commitments and you can simply top them up to use them on Pay As You Go with low rates of 3p per min, 2p per text and 1p per MB ...

All smartphones (and feature phones and other types of mobile phones) require a SIM card to connect to a mobile network – as, in fact, do mobile broadband devices, and any tablets that offer mobile ...

Choosing a cellular carrier can be complicated, and navigating the different voice and data plans, confirming that they ...

This stylish PDA/phone combo device is the first GSM smartphone to feature Microsoft's PocketPC 2002 Phone Edition OS. Full PDA features are tightly integrated with phone functions. Key features ...

A subscriber identity module is a removable smart card for mobile phones. SIM cards store the required information to identify the mobile device. It also contains data required for voice ...

You'll need a SIM card tool -- usually included in your phone's box -- or an unfolded paper clip or sewing needle to get the SIM tray out of your phone. All phones: Remove the SIM card ...