User's Guide

12
Note:
1) WS156 e-ink screen will show below fixed icons:
Icon
Description
Battery level
The device joins the network.
The device fails to join the network.
2) WS156 do a full-screen refresh once a week in order to remove ghosting.
3.6 Maintenance
3.6.1 Upgrade
1. Download firmware from Milesight website to your smartphone.
2. Open ToolBox App and click “Browse” to import firmware and upgrade the device.
Note:
1) Operation on ToolBox is not supported during the upgrade.