iMessage sending as green text to other iPhone users

Since swapping SIM cards my texts to friends with iPhones go out green instead of blue. iMessage is switched on in settings and says it's active. Anyone sorted this?
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1 Answer

frank_gadget Nov 04, 2026
marth_setup
After a SIM swap the new number isn't registered with iMessage yet, even though the toggle says active. Settings > Messages > Send & Receive, under you can be reached by, make sure the phone number is ticked and not just your email, and set Start new conversations from to the number. If the number is missing there, go to Settings > Phone and check My Number is right, then toggle iMessage off, wait a minute, on. Then delete the green thread and start a fresh one. Your friends may also have your old number saved, worth asking.