iPhone users on iOS 26, iMessage activation may be blocked by an inactive SIM — here's how to fix it. Some users are finding ...

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

If you have an iPhone, you probably use iMessage as your primary messaging app. This is especially true if you also have other Apple devices, like a Mac and an iPad. Typically, iMessage should work ...

While sending an email through the Outlook desktop app, if you see an error message saying Microsoft Outlook cannot sign or encrypt this message because there are no ...

Though we don't know the scope of the users affected, we do know who might be affected. According to Apple, the issue might occur when updating to iOS 26 if you have an inactive SIM with the same ...