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SMS failed when network is on wifi

I'm a contributor level 1
I'm a contributor level 1

I don't understand why I have to turn mobile data on to send the SMS.

When I sent SMS over wifi, it always failed to deliver. I had to turn on my mobile data to resend it. 


Hi there @zoesyl333 , to send sms you require a cellular connection.  If you have wifi calling you can send sms over wifi. So, yes you would need a cellular connection unless you have wifi calling.