Its cpu hungry?
It consumes lots of CPU, kills phone battery
Roy Johnson commented
Hi all. Yes - good idea... please add your vote to the 5.8k+ others in this thread to keep it top of the Microsoft list! https://microsoftteams.uservoice.com/forums/555103-public/suggestions/17219609-teams-uses-600mb-and-is-super-slow
Or search "Teams uses 600MB and is super slow!" to find it in user voice.