Using a Samsung A7 lite (SM-T220) running Android 13(tiramisu).After installing mobi control client 15.3.3.1 with a basic lockdown Profile, the top status bar disappears, and the bottom navagation keys also disappear as soon as the lock down
what we have found was if the "Lock screen type is set to anything other than "none" it causes the device to hide the status bar and navigation keys when the MC HTML page activates.
Changing the Lock screen type seemed to have resolved the issue on the samsung device