Download BiXBiT USA Firmware at the following Link:
The same firmware file you downloaded works on all M2x, M3x, M5x machines
Download Whatsminer Tools at the following link:
(Note: only available on Windows computers)
How To Install BiXBiT USA Firmware
Step 1: Open Whatsminer Tools.
Step2: Click on Miner IP.
Step 3: Input your IP Range and select it. (1).
Then select OK. (2)
Step 4: Click on the miner or miners you want to upgrade.
Step 5: Select upgrade.
Step 6: Click on Select File.
Step 7: Go to where you have the BiXBiT USA Firmware saved on your computer.
Select the file (1) and then click open (2).
Step 8: Click on the Start Upgrade button.
Step 9: If you get this screen, click yes.
Step 10: you will see the file "Transferring" in the status column.
Step 11: You will see that the miner is "Upgrading" in the status column.
Step 12: Success, Miner has been updated with BiXBit USA firmware, and you are ready to start using it.