L3, L3 + and L3++ Control Board Program Recovery

Use the SD card to restore the miner’s program, and this method only applies to L3, L3 +, L3++ miner.

Applicable in the following Issues:

  1. the miner is power-off in the upgrading process.
  2. The miner can not start (can not find IP).
  3. The miner accepts only default workers.


  1. computer running Windows XP system or later
  2. card reader
  3. 16G or TF (Micro SD) memory card with less storage

Follow these steps :
1. Download the firmware to computer available here: https://shop.bitmain.com/support.htm?pid=0072017042706354248975UNDh65062D

2. Download the installer program and unzip it: 
L3 : http://blog.bitmain.com/cn/wp-content/uploads/2017/05/L3motherprogram.zip

L3+/L3++ : http://blog.bitmain.com/cn/wp-content/uploads/2017/05/L3motherprogram2017.04.19.zip

3. Insert the Micro SD card into the card reader and connect to the computer.
4. Format the Micro SD card to FAT32
5. Copy the extracted file to the Micro SD card
6. Insert the Micro SD card into the control board
7. Power on the miner
8. Remove the Micro SD card after the miner gets its IP address
9. Update the firmware following this guide : https://cnforum.bitmain.com/bbs/topics/2694




        Note: Copy the file in the following picture and paste it in the root directory of TF card, and do not paste it in the folder of TF card!





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  • 0

    how can i recive l3 in iran?if i send my address in austria can u send my l3 to this country?


  • 0

    my l3+ can not find an ip. I have performed the steps above but it still can't find an ip. what should I do next? I am in the US.....I have noticed a red light in the data board, not sure if it was there before, boes it mean anything? please help...

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