Patricles, I apologize for the issues your kids are experiencing with their data usage and Wi-Fi connections. Family Base is a great feature to have. Family Base does not interfere with Wi-Fi connections. I am confident that we can resolve the issues they are having with their data usage and their Wi-Fi connection. Do they have the Wi-Fi assist setting on (White)? Settings>Cellular>Wi-Fi Assist. What software does each service have? Settings>General>Software update.
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