GNSS Module Series
LC86L EVB User Guide
LC86L_EVB_User_Guide 17 /22
4.2. Firmware Download
The LC86L module upgrades the firmware through the USB port by default. Please follow the procedure
below to upgrade the firmware:
Step 1: Install and open the Flash tool software;
Step 2: Connect the EVB to a PC through the USB cable, and switch POWER to ON state to power on
the EVB.
Step 3: Follow these steps to upgrade the firmware:
⚫ Click "Settings"-"Baud rate"-"Auto Detect" to select the baud rate;
⚫ Click "Settings"-"COM Port"-"COM3" to select the communication port;
⚫ Select the download file: Click the two red boxes shown in step c in the figure below to select the
corresponding file path: "Reserve" corresponds to the download management file, and "ROM"
corresponds to the project firmware;
⚫ Click the "Download", "OK" and "Go" buttons to start the firmware upgrade
Figure 11: Flash tool configuration and firmware upgrade
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