New iphone SE not sending messages

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  • Updated 1 year ago
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We are swapping phones for the holiday. Bought an iphone SE for my wife from Koodo. Put her old SIM n to preserve her number (she had an Iphone 5S before. Now it works on wifi but will not send messages. How can we diagnose what the problem is. Would she need new SIM for the new phone? Thanks got your advice and happy holidays.
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Posted 1 year ago

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Goran, Mobile Master

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A new Sim is not needed. Try these fault finding procedures :