In very care cases it may be necessary to downgrade box or head firmware. Also it may be necessary to reload firmware, if for example, the update process was disturbed.
Please use this guide together with the Mi3 Firmware Updater Guide Click Here
Follow these steps:
1. Ensure that there is no higher firmware revision than you want to load or reload in the folder containing .dat files files.
2. Add updatealways to the head or box updater shortcut Target: line
3. Check the Update Always box when running the Head or Box updater programs
4. See short video, attached.