[justinludwig]

Buy a cheap Android phone on eBay, use it on Wi-Fi for work accounts instead of your personal phone.

[cush]

I did this with my old Galaxy. Also, because I only use it for auth, I get a full work week of battery life on standby.

[ParetoOptimal]

That's a good idea and others have suggested it.

I'm significantly annoyed at being forced to use Microsoft software on my personal device for work at my own cost though.