Tracker Control issues

I’d like to use TC on all of my Android devices, but with some of them there are issues.
Can somebody please help me understand whats going on and if there are solutions for it maybe?
TC is working fine on:

  • Xperia Z5 Compact on /e/ OS 0.22 q
  • Xperia Z3 Tablet Compact on stock Android 6.1

Its not working (means its blocking all Internet traffic when activated) on:

  • Xperia Z2 Tablet on /e/ OS 0.21 q
  • Xperia Z3 Tablet compact on unofficial Lineage OS 18

Settings seem to be the same on all devices, but I am just an end-user and not an expert :wink:

Interestingly on the devices where it works there is not showing the rocket symbol in the status bar, and on the devices where its not working right there is the rocket symbol! Any meaning of this?!

I also send a link of this topic to the dev of TC, maybe he can jump in as well.
Thanks for the app anyways, easy to use for non experts like me, and therefor important to have for the broad user base I guess…