Uboot; Default - Dahua 41HS-W-S2 Series User Manual

Table of Contents

4.17.5.2 Uboot

When device is booting up, it can auto detect the USB device and the update file on it. It can auto update

once there is proper upgrade file.

USB device root directory shall have "u-boot.bin.img" and "update.img" files. USB device shall be

For 4X series product, it only updates "update.img". The "update.img" shall be renamed as

"recovery.img" and is saved on the root directory.

USB device shall be on the USB 2.0 port, otherwise device can not detect or update.

You can restore factory default setup to fix some problems when the device is running slowly.

Configuration error occurred.

From Main menu->Setting->System->Default, you can go to the default interface. See Figure 4-182.

Click default icon, system pops up a dialogue box. You can highlight

Figure 4-181

to restore factory default setup.