Step1: Download the monitor's or the camera's firmware to your personal computer
Step2: Connect the monitor to the computer with the monitor's date cord, the computer will have a new u-Disk, you may copy the firmware to the new u-Disk.
Step3: Press M >> Menu >> Software update >>Monitor update. Press OK to update the monitor. In the same way, Press M >> Menu >> Software update >>Camera update. Press OK >> Select one of the cameras >> Press OK on Yes to update the camera.
Monitor's Firmware
For Hardware with the version of V1.x.x_a
V3.0.22 Download
Camera's Firmware
V3.2.4 Download