Thanks for this
Just a few notes. I was running on the Syntech version (patch_ATV495Max_7.1_Syntech_CTS_20191029.img).
While flashing 'enjoytv-ota-9.0_20190227.img' (using the built-in updater app), the flash failed about half way, and any subsequent reboots only landed up in recovery mode.
The good news is, I was able to wipe data/factory reset, and then successfully flash 'enjoytv-ota-9.0_20190227.img' from that recovery (I used a FAT32 formatted SD-CARD, as it wasn't detecting my USB drive, and after rebooting, was met with the new Geniatech boot screen and started loaded up great.
Then more bad news: Once I got to the welcome screen, it says "Hold Home and Left while holding the remote near the box". This seemed like a dead end because the MyGica remote does not seem to be detected on this ROM when holding down those two buttons!!
The good news: After sweating for hours thinking I'd just turned this TV box into another paperweight, I came accross this youtube video https://www.youtube.com/watch?v=yOr32WdeNlo which basically shows how you can hold down the OK and BACK buttons to put the remote into pairing mode. BINGO, the welcome screen now recognized my remote, but was still having a hard time pairing at first. I realized that I had to also press the HOME and LEFT buttons as asked, but only after I started the pairing process with the OK and BACK buttons as described earlier. Timing is key here, but if I could get it right, so can you.
I'm now up and running on Android 9 on what almost turned into trash! Can't express how relieved I am about that