Thanks for the update.
Please upgrade the testing device with the latest 10.3.0 build ( better pick up the one with green “pass” next to it, i.e. the 10.3.0.1214 for A device and 10.3.0.1220 for N device) before continue test session for 10.3.0. And please make sure exercise this kind of OS upgrade once each week for 10.3.0.