You can now download official firmware of Tronsmart Orion R68 android TV that adds new features. You can also use the official Tronsmart Orion R68 to factory reset it, thus deleting all data onboard. Tronsmart Orion R68 review. 
List of Changes
1. Philip TV display problems solved.
2. Fixed problems related to SuperSU OTA update.
3. Bugs related to Kodi solved.
4. Support for Wi-Fi display introduced.
5. Ethernet compatibility added.
To flash it, download firmware from below given link and follow the guide given here. Just ensure you use the firmware file given in this post instead of the one used for that android TV.
Here is its summary – install drivers and update tools and use the micro USB cable to connect the Tronsmart Orion R68 to the computer. Then using the factory tool, browse the firmware and tap on the flash button to start the flashing process.