Geeetech

I was finally able to get it back to the old firmware (E180_M04_V1.bin)

These are the steps that I followed:

Removed SD card from behind the LCD screen. Reformatted the card. Copied the E180_S01_V1_32.bin, config.txt & the entire system folder from the UI folder.
Insert the SD card into the back ...

I finally figured out that there is an SD card behind the actual LCD screen. I removed it, reformatted to FAT32, copied the following files to it:
E180_S01_V2_02.bin
config.txt
and also the entire system folder that was located in the UI folder.

While the (LCD) SD card was out of the printer, I ...

maybe you need this:E180-V2.02.02版-去掉密码.rar
Motherboard application: E180_M04_V2_02.bin

Motherboard boot program: MotherBoot_bootloader_V1.0.bin

LCD screen application: E180_S01_V2_02.bin

LCD screen boot program: LCD_E180_bootloader_V2.0.hex
The SD card needs to be formatted before use, as ...

Same here! I upgrade the firmware from this download https://www.geeetech.com/download.html?download_id=41
used file Firmware version V2.02.02
Motherboard application: E180_M04_V2_02.bin
LCD screen application: E180_S01_V2_02.bin
Suitable for metal nozzles
Which applies to my E180

I cannot rollback ...

Does anyone have a Cura profile for the E180? The .rar file posted in the thread above does not unpack. It gives an error every time I try to unpack it and I have tried several different rar opener softwares. TIA