Press and hold the on the TV cabinet (not the remote).
After installation, you may need to access the service menu to adjust the screen mirror or logo: Press Menu + 1147 or Source + 2580 .
Wisdom Share Smart Cloud TV Software Problem and ... - Filmot
Release the button when the "Software Upgrading" or "Loading" progress bar appears on the screen.
Ensure you download all parts (e.g., Part 1, Part 2, and Part 3). If you only download Part 3, you cannot extract the firmware. 2. How to Extract Multi-Part RAR Files
Press Mute + 182 + Power from standby.