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Message sending

DMc1436
Level 1: Joiner
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I have recently swapped to O2 from Virgin, when I try to send text messages they come saying not delivered can you advise?

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MI5
Level 94: Supreme
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@DMc1436 

I'll guess that you are using an iPhone?

If so, it's a known issue with iOS15.

O2's message delivery system is different to ther networks and not compatible with the changes made in iOS15.

To get an accurate delivery report, you need to start all your sms messages with *0# and just ignore the automated phone ones.

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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