LTE-A&5G Module Series
PCIe Card EVB User Guide
PCIe_Card_EVB_User_Guide 33 / 38
5.3.2. Firmware Upgrade via PCIe
To upgrade the firmware of the module via PCIe port, please follow the procedures below.
1. Use QCOM to open Diagnostic Port (COM5), and then check
“
HEX String
”, sending HEX array:
0x4b, 0x65, 0x01, 0x00, 0x54, 0x0f, 0x7e
.
Figure 26: First Step of Firmware Upgrade via PCIe
2. After the above command is executed, the port shown in the following figure will show up in the
Device Manger. Right click this node and select Disable. After this device node is disabled, right click
it again and select Enable.
Figure 27: Second Step of Firmware Upgrade via PCIe