5G Module Series
5G EVB User Guide
5G_EVB_User_Guide 33 / 36
3. Install and then use QCOM provided by Quectel to realize the communication between the module
and the PC.
The following figure shows the COM Port Setting of QCOM: select the correct
“
COM Port
” (USB AT
Port, which is shown in figure above) and set correct
“
Baudrate
” (e.g. 115200 bps). For more details
about QCOM usage and configuration, please refer to
document [2]
.
Figure 29: COM Port Setting Field on QCOM (USB AT Port Connection)
4.3. Firmware Upgrade
Firmware of the module is upgraded via USB port by default, and there are two methods for the upgrade:
emergency download and normal download. Please refer to the following procedures to upgrade firmware
through the EVB.
4.3.1. Emergency Download
1. Install the firmware upgrade tool QFlash on PC.
2. Short-circuit the two pins of USB_BOOT interface (J0201).
3. Connect the EVB and the PC through USB Type-C cable.
4. Insert the DC power adapter and power on the module.
5. Upgrade the firmware with QFlash. Please refer to
Quectel_QFlash_User_Guide
for details about the
use of QFlash.
