@Poney70 Thank you.
This is my first Xiaomi device and I missed that part of wiping data after ROM completed the install so this is probably why
I didn't have access to internal storage and no OS installed.
What I've done is:
1. Downloaded MiFlash20210226 (under Config deleted the Checkpoint...
Hi, I've flashed the ROM and after it finished It asked to be to choose slot A or B, be default B was selected
and there were options for a reboot to System, recovery, fast boot.
I reboot to System but then it boots again no TWRP and now there is no internal storage and when I connect