Just upgraded 2 phones on our plan. Been with you guys 2 years and have NEVER went over on data then upgrade in less than 24 hours we have used almost 3gb??? And we were connected to wifi at home!! Something is NOT right!! #nothappy
There is no reason that you would be accumulating data usage when u are on the wi-fi ... however downloading the apps you like on to the new devices will not save personal settings and implements any new features the latest versions of the apps.
EX. Facebook automatic video play in your feed needs to be set to WiFi only in the app settings
You should be able to tell on the phone which app(s) caused the data use. Look at that and let us know what you find. There is no conspiracy theory here, just need to find out what is the offending problems and fix it.