Thanks for answering those points. Your original use of Easy Installer would have installed what is now called an Official, that is stable build.
I have been guessing based on seeing your comment that e-Recovery is v1.17. This would be an Android 10 (Q) recovery. I guess I had tried to imagine a state whereby the recovery got “stuck” like this.
What method have you used to update the phone?
Correct … but if you need recovery you may be able to catch the phone in the middle of Soft reset as
… and experiment similar method to reach Download mode.
How does the phone behave in Safe mode?
Phone on; Long press power button > Long press Power off icon > Accept Safe mode proposal, phone will reboot into Safe mode.