When a smartphone failed to detect the SIM card or shows a SIM card error, network-related services won’t be available. Hence you won’t be able to send and receive text/SMS messages. Incoming and ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

You can move pictures to an SD card using a PC, Mac, or Android phone, as long as you have the right card and equipment.

You can activate a new or used iPhone for use with a cellular service provider in a few steps. Here's how to activate any iPhone, or troubleshoot it.

Stephen is an author at Android Police who covers how-to guides, features, and in-depth explainers on various topics. He joined the team in late 2021, bringing his strong technical background in ...

Looking for an inexpensive yet flashy SIM Card Reader? This one supports GSM/CDMA/WCDMA and is plug and play with USB 2.0. Copy and read, edit, backup, and sort data. You can also batch modify your ...

The details of the project are concentrated on building a SIM reader that will be used for investigation and experimentation of Smart or SIM cards. The device is useful when backing-up/restoring ...

A SIM card, or subscriber identity module card, is essential component of any phone. It connects your device to a cellular network and stores vital information, including your phone number. Many ...

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 ...