I'm sorry if this has been asked before but I really can't read 618 pages of thread. Why not to use github's issue system?
I was wondering if it could be possible to enable data for an app if that one app is in foreground on the screen. That is...
I have no Halo installed and I still experienced the issue.
I had to disable Lux - that is an app designed to manage display brightness - and then I could install my apks. Odd but true. I hope this helps other people searching for this.