7-6
4. Long press to power on the equipment, select [Main Menu] → [Factory
Maintenance] (input password: 6686) → [Data Transmission] to enter the data
transmission screen. After the equipment is connected successfully,
“Connected successfully, waiting for upgrade” is displayed.
5. Select the corresponding product model in the PC tool screen, and then left
click the top option of the left menu.
Please select the
corresponding
upgrade model.
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