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Unable to send texts to Android phones.

lapua65
Level 1: Joiner
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Hi. I have on odd problem on my phone where I can sometimes send messages to Android phones, but not respond to any. In nearly every case I get the "Not Delivered" message with the red exclamation mark. I have all of the settings as recommended but no joy whatsoever

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pgn
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MI5
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@lapua65 

This is a common issue if you are using an iPhone as the sms delivery system that O2 uses is not an industry standard.

To get an accurate delivery report, you need to precede al sms with *0#

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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