Imagine trying to call someone urgently from your Android device only to be greeted by the error message "SIM card not detected." This error means that your device is ...

When it comes to budget-friendly smartphones, Xiaomi like the new Mi 6 variant have surfaced among other top brands to date. Compared to other flagship devices, these China-made handsets are ...

When your phone shows a No SIM card error, it is telling you that it does not detect the SIM card for some reasons. This usually happens when the SIM card is loose or ...

Many smartphone users upgrade their devices to a newer device (in India), and they tend to face SIM card issues at times after switching to a new device. This is because, if you do not activate a few ...

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 ...

The Subscriber Identity Module, or SIM, used with GSM iPhones does not affect network reception; however, if you're unable to connect to the network to send or ...

iPhone 4S users are reporting SIM card issues with their handsets. A thread about the topic on the Apple support site has now accumulated more than 200 posts and 30,000 views, suggesting that the ...

The Xiaomi 12 Pro may have a problem accepting certain SIM cards, resulting in the phone being unusable when one is inserted. The newly released smartphone has gone on sale in the U.K. this week for 1 ...

[Nils Pipenbrinck] has been working on a very interesting problem. The SIM card in your cellphone talks to the contactless near-field communication (NFC) chip through a cool protocol that we’d never ...

There have been a number of problems reported for the iPhone 4S since it was launched, and also some for other devices including the iPhone 4, with iOS 5, the main one being the battery problems ...

Smartphones are susceptible to malware and carriers have enabled NSA snooping, but the prevailing wisdom has it there's still one part of your mobile phone that remains safe and un-hackable: your SIM ...