[Zubersoft]

Is "Draw highlights behind content" enabled or disabled on each device? The OS version shouldn't really have any impact on this issue. That setting is really the only thing that comes to mind that has any impact on the rendering of highlight annotations. Having said that a number of fixes were made between all of the updates that impacts how some annotation types were transferred from the old design to the new. Can you restore a library backup on the tablet, or synchronize changes from the phone to the tablet to see if annotations need to be updated for that particular song? 

Thanks,
Mike