1. update the kernel program for NVR2508E1-P8E

1) power off the NVR

2) copy “u-boot-SN-NVR12.bin” and “uimage-SN-NVR12” to root directory of USB disk

3) Insert the U disk into the NVR

4) power on the NVR

the update program will work automatically.

note : Don’t power off during the update process , or the NVR will be crashed unexpectedly!!!!!!

2. update the firmware for NVR2508E1-P8E

1) go to option “Maintennance ”, select the file “v4.2.0814.0000.001.0.58.0.0_20181101” from the icon 

2) then the update program will be finished automatically

note : Don’t power off during the update process , or the NVR will be crashed unexpectedly!!!!!!

3. update the firmware for IPC

A. if the version’s name starts with “v3.5.0812”, please see A:

1)use update tool to update version with file “v3.5.0812.1004.1.0.30.0.1_20180926”

B. if the version’s name starts with “v3.5.0804”, please see B:

1) use update tool to update version with file “v3.5.0804.1004.1.1.30.3.1_20181101”