You can now download Android 9.0 onto the A95X F3 Air android TV. This will also help you reset everything as flashing A95X F3 Air firmware will delete everything stored on the android TV including settings.
Download the A95X F3 Air firmware from here and save it on your computer. Make sure not to download addon when downloading it.
Plug in an empty USB stick. If you have something on it, it will format it anyway.
Now, download burn card maker program. Choose second item from the menu to switch to English language.
Mark the items as shown in the screenshot below. Click on open and choose the firmware that you downloaded earlier.
It will ask you to format your USB stick and then copy the firmware files onto it.
Now with the A95X F3 Air android TV turned off, connect the USB drive. Connect HDMI cable as well. Press flash mode button and connect power cable. Flashing will now start. It will take around 10 minutes.
That is it. You have successfully installed latest firmware on the A95X F3 Air android TV.
A95X F3 Air specifications include 2/4GB RAM, 16/32/64GB eMMC storage, Bluetooth 4.2 and Wi-Fi a/c.