Can I set my phone to make and receive calls using Wi-fi ONLY?
Welcome to the forums.
To my knowledge, no. But you can search for VoIP (Voice over Internet Provider) apps in Play.
Devices: Current: Nexus 5, Moto X, Galaxy Tab 2 (7.0); Retired: Galaxy S2 (Epic 4G Touch); Traded: Galaxy S3 When I let go of what I am, I become what I might be - Lao Tzu Community Guidelines and also here
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