: Select the About section to view system information.
If your TV will not boot or you must use a downloaded .rar file (like the one you mentioned), follow these general steps: How to update the software on an Android TV - TCL Support Download Mitashi MiDE065v22 Firmware part1 rar
While there is no direct link to a file named from official documentation, you can generally update or find firmware for Mitashi smart TVs through standard system menus or community-shared repositories. Updating via System Settings : Select the About section to view system information