To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

Find out how to diagnose and fix bad cell service with these expert tips for getting more bars on your iPhone or Android.

While not all Android phones offer SD card storage, those that do will sometimes let you make the SD card your default ...

In India, many users face SIM card problems after moving to a new phone. If key settings are not activated, your SIM may stop ...

For the past three generations of the iPhone, Apple has stood alone in a particular area: eSIMs. Apple made a shift that many ...

A no-network issue on your SIM card can be frustrating, but it is usually easy to fix. From restarting your phone to updating ...

As the iPhone Air goes eSIM-only, and some of the best Android phones also drop the SIM card tray, here's a look at the eSM, ...

From spotting red flags to wiping malware, these six moves show you how to fight back when hackers strike your phone ...

Developing Android applications seems like it should be fairly straightforward if you believe the glossy marketing by Google ...

In the US, all versions of the Apple iPhone 16 series support eSIM. They also all support dual-SIM, using two eSIM profiles at a time. However, there is no support for physical SIM cards in the US.