I tried looking here for any suggestions, but came up empty. Glad we
only tested iOS 12 on a couple of our iPads. If you use Guided Access,
you'll want to check this:Guided Access disable screen sleep I can also
confirm this issue still occurs with i...
FIXED! Got this from following the incident status on Teem: Potential
iOS 12 and EventBoard issueIncident resolvedApple has included an update
in iOS 12.1.1 which allows customers to use Guided Access Mode and
EventBoard again! EventBoard users will ...