What phone do you have?
What plan are you on?
WiFi and Cell Talk and Text (Moto G)
Does your plan include data, or just talk & text?
just talk and text data is wifi only
My phone will not stay connected to my home wifi. It tries to connect and may may succeed for a few seconds but drops the connection. My wife’s phone is the exact same model and software down to the firmware build number and she has no issues. All other home devices are fine.