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 1.4.2 (V1.4.2_211018) Release 2021-10-22 Bug Fixes 1. When upgrading firmware from v1.1.0 or earlier to v1.4.1, the device failed and could not be recovered. (Affects version: v1.1.0 or earlier)