A
firmware_mismatch
Moderate
Anycubic · FDM 3D Printers
Firmware Version Incompatible With Hardware Configuration
Quick Answer
Error code FIRMWARE_MISMATCH on your Anycubic FDM 3D Printers means: Firmware Version Incompatible With Hardware Configuration. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Wrong firmware version flashed for the printer model or hardware revision
  2. Firmware update was interrupted leaving a partial or corrupt flash
  3. Mainboard was replaced with a different revision that requires different firmware
  4. Custom firmware compiled with incorrect motherboard definition
How to Fix It
1
Identify the exact mainboard model and revision printed on the PCB
2
Download the correct firmware version from the Anycubic website for your specific printer model and board revision
3
Format the SD card as FAT32 and place only the firmware binary file on the root directory
4
Power off the printer, insert the SD card, and power on to initiate the firmware flash
5
Wait for the flash to complete (screen may be blank for 30-60 seconds) before removing the SD card
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
MicroSD card for firmware flashing
USB-to-serial adapter (for emergency firmware recovery if needed)
Related Error Codes
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