Applies to:
DL41B/DL81B/DL41A/DL81A/DL41D/DL81D/DH81S/DH81X/DH81NG/DM41D/DM41A/DM81A/DN41D/DN81D/DN41S/DN41NA/DM41H/DM81H/DM21O/DM31O/DE41N/DE81N/DN81NB/DM81Z/DM61W/DG81CP/DG81CQ/DH81NK/DG81CR/DH41NK/DM41G/DN41CJ/DN81BJ/DN61EC/DG81W/DG61X/DG41T/DT81DQ/DT41DC/DT61ER/DG41BE/DG81BE/NP41F/N43SU/N44SU/N48PZ/N481U/N441U/N44PBD/N461W/N48PAU
This FAQ is just for recorder, not for camera.
There are 2 ways to upgrade recorder's firmware.
We suggest you use method 1. Please contact us to get upgrading file first.
You can refer to this picture below to check system current firmware build date. After upgrading, you can also check if build date changed.
Method 1.
1. Please copy the firmware file to a USB disk.
2. Please insert USB hard drive to USB port of recorder.
3. Please refer to this picture below to upgrade.
Method 2
1. Please connect your recorder to a router with ethernet cable.
2. Please use a computer which also connected to the same router as recorder is connected to install upgrading software.
software download link www.sanncegroup.com/document/XM/General/tool/device_manager.exe
3. Please run software to upgrade.
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