So maybe it's not his phone.
You can check your online account to see which phone line is using data and how much.
Each phone has settings that can be set to help limit the amount of mobile data used. Social media apps have settings within the app to prevent video from playing unless using wifi. Turn off GPS unless needed. Set update to happen over wifi only.
You can check your online account to see which phone line is using data and how much.
Each phone has settings that can be set to help limit the amount of mobile data used. Social media apps have settings within the app to prevent video from playing unless using wifi. Turn off GPS unless needed. Set update to happen over wifi only.