Technically, some older or very specific variants might support fastboot protocols if the bootloader is unlocked via advanced exploit chains, but for 99% of users, Download Mode is the destination you are looking for.
: Wait a few seconds for the Android Recovery menu to appear. If it says "No command," briefly hold the Power button and tap Volume Up to reveal the menu. Navigate to Fastboot Volume buttons to scroll through the list. "Reboot to bootloader" Power button to select and confirm. Final Result how to open fastboot mode on samsung galaxy a7 repack