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

Since the release of iOS 26 in September, iPhone users have experienced myriad issues. Whether it was the Calendar bug which made it difficult to search for specific keywords or the fact that some ...

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 ...

Since iOS 26 was released last month, some iPhone users have had problems using iMessage with their phone numbers.

Apple’s iOS 26 update brought a range of improvements to iPhone, but it has also introduced a frustrating problem for some users: iMessage activation failures linked to SIM conflicts. Instead of ...