A SIM card that doesn't work can cause a lot of problems. Here's how to fix the "No SIM card" error on your Android phone.

A No Sim Card issue is caused when your phone either fails to recognize the Sim card or can’t read any information it contains.

This problem often occurs when you turn your smartphone off and on again, insert a new SIM card, or, in some cases, while using your phone, when your SIM card is suddenly undetected.

However, even without a SIM card, you can still stay productive on the road and use most of the features of the Galaxy S3 smartphone.

Removing a SIM card from your phone can sometimes seem like a daunting task, but it is a relatively straightforward process that can be necessary for various reasons, such as switching carriers ...

They started out with dual-SIM adapters, and have now progressed to SIM adapters that allow you to have four or even five SIM cards in your phone.

You can open a WhatsApp account on your Tablet without a SIM card in the device. Follow these 4 simple steps to do it.

Can WhatsApp work without SIM number? Yes it can — and thankfully it's easy to set up. All you need to make use of WhatsApp without a SIM number is an Android tablet, iPad or PC.

Can WhatsApp work without SIM number? Yes it can — and thankfully it's easy to set up. All you need to make use of WhatsApp without a SIM number is an Android tablet, iPad or PC.