I recently ported my number from O2 to iD Mobile. After ID mobile go on live (with eSIM), I can’t iMessage and FaceTime activated.Under “Sign-in &Security” in iPhone setting, I see error message “You must have a SIM associated with an Apple device for +44 xxxx to be used for iMessage and FaceTime.”The issue seems to be network related as I could activate iMessage and FaceTime within a minute when I tested with another SIM card from Vodafone.I can confirm bellows. My number is correctly set in iPhone settings (Phone > My Number). SMS and calls working well Tried all standard troubleshooting steps (incl. resetting network settings and reactivating iMessage/FaceTime) following all the steps in https://community.idmobile.co.uk/switching-to-id-pac-stac-132/how-do-i-fix-calls-imessage-or-facetime-issues-on-my-iphone-57840 Also, I replaced eSIM several times but didn’t fix the issue. In another post, I saw you someone had very similar issue and he suspected wrong CLI or SMS routing. Can you please investigate to fix the issues?I have already checked the below and it did not help: https://community.idmobile.co.uk/switching-to-id-pac-stac-132/how-do-i-fix-calls-imessage-or-facetime-issues-on-my-iphone-57840

Question

imessage and facetime are not activating after porting the number

Forum|Forum|6 days ago
January 16, 2026
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KBO
New Contributor

I recently ported my number from O2 to iD Mobile. After ID mobile go on live (with eSIM), I can’t iMessage and FaceTime activated.

Under “Sign-in &Security” in iPhone setting, I see error message “You must have a SIM associated with an Apple device for +44 xxxx to be used for iMessage and FaceTime.”

The issue seems to be network related as I could activate iMessage and FaceTime within a minute when I tested with another SIM card from Vodafone.

I can confirm bellows.

My number is correctly set in iPhone settings (Phone > My Number).
SMS and calls working well
Tried all standard troubleshooting steps (incl. resetting network settings and reactivating iMessage/FaceTime) following all the steps in

https://community.idmobile.co.uk/switching-to-id-pac-stac-132/how-do-i-fix-calls-imessage-or-facetime-issues-on-my-iphone-57840

Also, I replaced eSIM several times but didn’t fix the issue.

In another post, I saw you someone had very similar issue and he suspected wrong CLI or SMS routing.

Can you please investigate to fix the issues?

I have already checked the below and it did not help:

https://community.idmobile.co.uk/switching-to-id-pac-stac-132/how-do-i-fix-calls-imessage-or-facetime-issues-on-my-iphone-57840