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Can't send text message with O2 - error 0

Tomh04
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Hello to everyone, 

I would really appreciate your help please, regarding a problem I'm facing currently with my Samsung S23, while trying to text a specific person/UK number (iPhone). Upon Send, I get a failure and this message pops-up "Can't send message with O2 - error 0". 

 - I do receive from that particular person, text and calls. I can call back, but I cannot send any texts there.

 - I can receive and send other texts to various other people/numbers from my contacts.
In the meantime, 

 - I've tried refreshing my Network Settings (go manual, disconnect / connect) and do a Reset Network Settings. 

 - I've checked my Mobile Messaging Center (+44...)
 - I've switched between different Messaging Apps in my device (Google and Samsung)
 - We've both checked our Messaging and Calls Block List, just to be sure.

 - I've Restart and Shut Down my device, plenty of times.

None of the above helped. 
Additionally, from my device and using a different SIM (dual sim / not UK , different provider here), I was able to text that person without any problem!
I currently hold a Pay-Monthly plan with O2 and I was moved here just recently, from Virgin.

 

Any idea what could be the problem or something else which I could potentially check? 
Thank you in advance

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Tomh04
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Hi @ZJokerZ,

Actually I've found out just a few days ago that this issue has been somehow sorted.

I am now able to text particular person/number, without any problem and my message goes through.
Both of us, did not change anything at out devices.

I am not fully aware if O2 made any change; however, I never really reported officially this issue.

It could be though that the problem was coming from the other provider.

 

In any case, I believe I should now close this issue.

Thank you all for your valuable help and support here.

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jonsie
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Sounds like your O2 number has been blocked by the other iphone

Ask them to check

We’re just customers like you but it sounds like you’ll need someone to access your account which can’t be done from here. If you message O2 using the links below, they should be able to help you with this

or give them a call on 202  or 0344 809 0202

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Tomh04
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Hi, appreciate the help.

We have both checked our devices and accounts; there is no block applied here.

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jonsie
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The only fix then that seems to solve the problem is to download a different messaging app

I use Google messages rather than the stock Samsung app on my phone and have never had this problem

This has worked for other customers

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Tomh04
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Hi and thanks again, 

As I have stated in my first message, I've done that already.

I've switched from Google (default), into the 'Messages' from Samsung. But made no difference! 
That's why I am a bit...frustrated. This used to work just fine.
The other device (I'm trying to text at), has been recently moved to 1Gloval, if this makes any sense.
I am also trying to contact O2, but its not easy.

 

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madasaf1sh
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@Tomh04 

 

That is the problem, if the number has been ported the host network sounds like it is not accepting messages as it doesnt know how to route it. 

I would get the person who has moved the number to 1Global  to contact them and get them to investigate with the network who owns the number where the issue lies. 

 

o2 wont get involved..

- Xperia 1V - o2 and Spusu
- Pixel 8 Pro - o2 and Vodafone UK
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Tomh04
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Thank you both for the help @madasaf1sh , @jonsie 

 

The other number (the one I'm trying to text to), seems to be able to receive texts in general. Transfer took place 1 month ago.
It is a corporate number though; so, it might take us a bit...longer to investigate or simply find out to whom we should talk to. 

Anyway, road looks steep and long!

 

Appreciate the help. Take care.
Cheers!

 

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gmarkj
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Are you replying to a message or sending a new one @Tomh04 ?
I remember someone having an issue if replying but sending a new message worked but it meant deleting the conversation entirely.

Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).


Link to our guide on how to contact them can be found here

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Tomh04
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Hi @gmarkj,

 

After your comment, I've now tried both, but still no effect.

Initially, I tried to reply on an existing thread and I got the failure.

Now, I've deleted complete conversation and tried to send a text by starting a new conversation, while either adding the full number manually or pick person from contacts (before remove/add contact entry again) and switching Messaging Apps etc etc.

 

No difference what so ever unfortunately.

If I manage to find something, I'll get back with more info.

Thanks again.

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ZJokerZ
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Hi @Tomh04 did you get this sorted as I'm having the same issue 

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