Unbrick: The Xiaomi Mi 11 Stock Rom Firmware can also be used to unbrick any device.Downgrade or Upgrade your device: You can use the Xiaomi Mi 11 Stock Rom Firmware to downgrade or upgrade your device to a new version. It depends on the release of the Stock firmware or your choice if the option is available.You are going to need your device stock Rom for the following reasons someday.
It’s always advisable that you backup your device Firmware after purchasing it.