damn , post this on rfinesseboys ! <| sep |> This happens to me when my laptop is running out of memory a reboot sorts it for a while but the proper solution for me was to get rid of some of the crap taking up space on my hard drive . <| sep |> Doesn ' t work . No phone OS differentiates between hotspot and ondevice usage . That ' s why the detailed usage tab on ma . web 2 goma . tmobile is so important . You could theoretically whip out pen and paper , shut off all data usage on the phone , and then tally the hotspot data using the phone ' s builtin data meter . Or , TMobile could just fix the bug and restore detailed hotspot usage to the 10 GB SMB customers upgraded to unlimited . It sounds like based on other posts it is broken on my specificrare plan , and not other capped hotspot plans however .