Backup ender 3 pro silent firmware with avrdude

I see theres a way to install avrdude (sudo apt-get install -y avrdude) on octopi with a comment on this forum from outsourcedguru. does this mean as its for the firmware uploader plugin that theres also the possibility it could be used to download(backup) firmware and eeprom?

if so anyone know a easy way to work through the parameters or know what they are?

board I have installed

Creality Upgrade Ender 3 Pro V4.2.7 Silent Motherboard with TMC2225 Driver BootLoader Compatible with Ender 3 / Ender3 V2 / Ender 5 / Ender 5 Pro 3D Printer

With your board you flash the firmware via sd card
rename the file (if needed), put it on a fat32 sd card, put it in the printer, turn it on and wait a few seconds - done

for the eeprom settings you can use Marlin EEPROM Editor

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