If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to ...

If you're having trouble getting iMessage to work after upgrading to iOS 26, Apple is aware of the issue and has shared a fix ...

Fixing the SIM Not Provisioned error involves toggling Airplane mode on and off, restarting your phone, and even reinserting ...

After updating to iOS 26, some people may find that iMessage no longer activates with their phone number. Apple has released ...

Here's how to fix iOS 26 iMessage activation bug on phone number, with the fix coming straight from Apple in official ...

A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

The error message “Verification codes cannot be sent to phone numbers at this time” usually appears when you try to sign in, ...

Apple says the issue may stem from having an inactive SIM with the same number as your active SIM. To fix it, remove the ...

The last thing any traveler needs is for their phone signal to drop out at the wrong moment. Luckily, these tips will help ...

SIM swap attacks are rising fast. Learn how criminals exploit SMS codes and how to protect your phone, banking, and email ...

A new teardown confirms Apple killed the SIM tray in the iPhone 17 lineup, using the space to pack in bigger batteries.

No one likes dropping offline, especially if you need to stay in contact. Get expert tips for boosting your cellphone signal on iPhone or Android.