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 1.7.1 (V1.7.1_200115) Release 2020-02-05 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.