5G Module Series
RMU500-EK User Guide
RMU500-EK_User_Guide 25 / 28
Figure 20: COM Port Setting Field on QCOM (USB AT Port Connection)
4.3. Firmware Upgrade
The firmware of the module is upgraded via USB port by default, please follow the procedures below to
upgrade the firmware.
1. Install and open the firmware upgrade tool, QFlash, on the PC and then turn on the module according
to the procedures in Chapter 4.1.
2. Click the “COM Port” dropdown list and select the Port No. corresponding to “Quectel USB DM Port”.
3. Click the “Load FW Files” button and choose the firmware package.
4. Click the “Start” button to upgrade the firmware.
Figure 21: Configurations for Firmware Upgrade
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