iPhone messaging problem

[Coffee]

My mum has a Nokia and changed her phone number today. My family have I phones. When we try to txt her, our messages are now sending as an i message. This never happened before her number changed. My husband has tried resetting his phone. No joy.  Can anybody help me?? 

[Coffee]

Hello. Thank you. My son did mention this but e e insisted it was a new number. Clearly not. We will be back to e e tomorrow

[kids]

Please post back after your visit, it will be interesting to hear what they say,

[Coffee]

I will do. And thank you 

[kids]

You're welcome. Good luck.

[kids]

There is a faint possibly that's the number EE have given your mum is a recycled number that has not been deregistered from a previous iPhone account before it was recycled.

i would go back to EE explain the problem to them and ask them for a different number and activate and test it while you are instore.

[Coffee]

Thank you. I will be going back to e e tomorrow to sort this out 

[Coffee]

Yes. The situation returns when I put iMessages back on. But at least it's a part solution and I can txt my mum.

[BandOfBrothers]

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@Coffee wrote:

Yes. The situation returns when I put iMessages back on. But at least it's a part solution and I can txt my mum.

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No worries. 

Did she try the de register link I added. It may / may not help. 

[Coffee]

Hello. I am going back to e e shop who gave number to my mum as others have also recommended getting number de registered. Hopefully e e will sort out. Thanks for your advice 

[kids]

@Coffee

Try.

Settings > Messages > Toggle on 'Send as sms when iMessage is not available'.

There in no need to turn off your iMessage.