: Older devices flashed everything in the bootloader. Modern Android devices (Android 10+) use dynamic partitions, which can only be modified while the device is in fastbootd mode.
Download the latest for Windows, Mac, or Linux. : Older devices flashed everything in the bootloader
(Xiaomi) can bypass fastboot entirely to restore the device to factory settings. Are you currently stuck on a specific screen , or did this error appear while you were flashing a specific file (like a custom ROM or GSI)? : Older devices flashed everything in the bootloader