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 ...
After updating to iOS 26, some people may find that iMessage no longer activates with their phone number. Apple has released ...
To use Apple’s two-factor authentication (2FA) with your Apple ID account–something that the company has effectively mandated for the last few years–you must have at least one “trusted phone number” ...