Note:Pls choose the match back view program to upgrade.
16CH DVR Upgrade Program1:16CH-1.bin
This upgrade program match the model back view is:

16CH DVR Upgrade Program1:16CH-2.bin
This upgrade program match the model back view is:



16CH DVR Upgrade Program1:16CH-3.bin
This upgrade program match the model back view is:

16CH DVR Upgrade Program1:16CH-4.bin
This upgrade program match the model back view is: