I have the Xiaomi Mi WiFi Mini running the pandora box OpenWrt/PandoraBox 14.09 r1696 / LuCI (0.12+git-4d0a20b) which is very old and i notice that on this site, we have a newer version for that device:
This step is when you are flashing from stock to Pandora/OpenWrt.
You are already running Pandora, so you don't need to follow again the same procedure.
so what would be the command to install the firmware?
Do you know any way o back up, incase i messed up?
i also have enable the overlay , which uses my external HDD to run everything there to gain more space would that affect? should i disable that before?
Just use the updater from the web interface or sysupgrade. I didn't do anything special regarding extroot overlay when I was upgrading. Make sure you don't keep any settings from the Pandora.
There is serial console on the device in case something goes wrong as well as procedure to go back to stock firmware.