If the firmware build date is before 2017.11.24, you must upgrade through TF card.If the firmware build date is 2017.11.24 or later, you can upgrade on the webpage of the miner.
Please upload the lastest Update File.
update_180209t1108.bin MD5 version:0102333F51D974F57C4E355CEC9C18A6
Miner Boot image
Before you download the boot image, please confirm the Hw version of your miner is G9 or g19.