Yes you need unlock bootloader using fastboot oem unlockOk,so what's the difference between the version 01004 and 01006?
Does it need to unlock the bootloader?
Is there anyone here installing android 10?
Is the difference the patch.
Android 10? I don’t know if works.
01004: Look Level patch
01006: November 2019
First, you must be the backup in your ROM using SPFT.