You may have had AT&T SIM (Subscriber Identity Module) card problems on your iPhone before or received the notification "Airtel SIM not provisioned." This happens sometimes, and the reason is fairly ...

It is worth mentioning that if you have purchased an iPhone 14 in the United States the latest range of iPhone 14 devices from Apple are not equipped with physical SIM trays, but uses a digital eSIM ...

Roland is a technology enthusiast who loves to tinker and geek out about the latest smartphones, tablets, smartwatches, and other wearables and gadgets. He aims to provide honest reviews and thoughts ...

The subscriber identity module -- SIM -- contains the information used to connect to your wireless carrier's network from your iPhone 4. If you are planning to resell your company's iPhones, you ...

Getting an invalid SIM on iPhone and don’t know what to do? Let me help you with some solutions that should fix the problem. Check out the details as you read further on this post. How would you feel ...

All iPhones and iPads with cellular have a slot on their sides that houses the Subscriber Identity Module (SIM) card provided by your mobile carrier. The SIM card enables your device to access the ...

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 ...