Cannot change my number in settings so imessage/Facetime are wrong

Question

Level 1

13 points

Cannot change my number in settings so imessage/Facetime are wrong

I recently ported to O2 from Vodafone and have had a few issues but one is persistent - iMessage and Facetime includes only the temporary number O2 allocated to me which is shown in the ios Phone Settings "My Number". I have tried multiple times to change "My Number" (including after restarts, flight mode, etc.) but it doesn't seem to accept it - it immediately reverts back to the temporary number. This means I cannot use iMessage with anyone who has my number.

Any advice would be very helpful!

iPhone 11

Posted on Jan 9, 2022 7:28 AM

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Answer 1

Top-ranking reply

LD150

Level 10

91,531 points

Jan 9, 2022 8:29 AM in response to bdo21

No the number is not stored on the SIM.

In Settings, General, About, check for an update from O2.

With the phone still turned on, take out the SIM tray for a few seconds and slide it back in then repeat my instructions.

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Answer 2

LD150

Level 10

91,531 points

Jan 9, 2022 7:34 AM in response to bdo21

Settings, Messages, turn off iMessage

Settings, FaceTime, turn off FaceTime

Restart the phone

Settings, Messages, turn ON iMessage, SMS, MMS

Settings, FaceTime, turn ON FaceTime

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Answer 3

bdo21 Author

Level 1

13 points

Jan 9, 2022 8:36 AM in response to LD150

Thank you - I removed the SIM tray and initally tried the steps again and the temporary number came up. I clicked on the temporary number and it asked if I wanted to remove it so I clicked yes and then my correct number appeared.

Thanks for your help!

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Answer 4

bdo21 Author

Level 1

13 points

Jan 9, 2022 7:58 AM in response to SravanKrA

The new number has worked for the last few days and I have restarted my phone multiple times but I cannot get imessage/Facetime to work.

When I make a telephone call, it correctly shows my actual number, not the temporary port number. The only issue with the temporary port number is in the iMessage/Facetime settings which I cannot link to my actual number.

On the O2 forum, someone suggested the temporary number was recorded on the SIM so I should get a new blank SIM from O2 to fix this - I don't know if this makes sense to people here?

Thank you

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Answer 5

bdo21 Author

Level 1

13 points

Jan 9, 2022 7:47 AM in response to LD150

Thanks - I tried this before but did just try again. Unfortunately it doesn't work - "My Number" still shows the old temporary number (which I try to change but it ignores what I type and immediately reverrts back) and my actual number does not show up in the list of options for iMessage/Facetime.

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