Everything turned out thanks to the post https://forum.xda-developers.com/showpost.php?p=77188397&postcount=33
The command in clause 9 was not correct
My phone is Redmi 5A (MCG3B) Global.
Instructions for lazy people like me:
1. Download finished ...
Does not exit writes port is blocked. EDL only by closing the contacts. Adb can not manage EDL -
I entered the phone in EDL mode, closing the contacts and flashing, the COM port should appear in the task manager.
See how to do this in Youtube, i...