Old revisions Add to book Export to PDF Fold/unfold all Book Creator Add this page to your book Book Creator Remove this page from your book Manage book (0 page(s)) Help Version 1.3.1 (V1.3.1_200422) Release 2020-04-27 Bug Fixes 1. Changed the firmware downgrade policy. The kernel of the firmware before the touch panel is replaced has been changed not to downgrade. 2. Adjusted the brightness of the IR LED.