iPhone users on iOS 26, iMessage activation may be blocked by an inactive SIM — here’s how to fix it.
How to solve iMessage activation problem in iOS 26
Some users are finding that they can’t activate iMessage with their phone number. This results in an inability to send messages — or send them correctly — from the Messages app.
Odds are, if you’ve been affected, you already know. However, Apple highlights a few different ways you can tell if you’re unsure.
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