How can I text and call through wi fi when my service is poor (S6 Edge)?

[AC Question]

how to text and call threw wi fi when my service is poor s 6 edge

cant send text with wi fi when i dont have any bars

 

[hallux]

Re: how to text and call threw wi fi when my service is poor s 6 edge

Does your service provider support that capability? Is it turned on for your account and on the device?