After exhausted all recovery method, I went to App Genius. Straight away they ask me to change logic board. I refused and I saw your post. Tried bootable Mojave method. Immediately after reinstallation able to boot into MacOS. Touch bar working. Installed all system updates (besides Catalina), and it auto restart while installing system updates, whamp! Hit with critical software update. So it's a loop again. (I did replace my screen with a third party repairman due to the 2016 MBP touch bar encountered backlight failed issue). Not sure if this is related. -Additional update. After 'Try Again' and showing Apple logo, the Touch Bar flashed/blinks around 3 times. Each time less than a second. -Tried disabled my router firewall, no vail. Update (05/06/2020): After reading the TS that he disconnected the display cable, I figured I do the same since my display is not original anymore. Before dismantling, I figured I performed a SMC reset and connected my Mac to my TV. And somehow it works! I restarted once, and...