LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 59 / 62
5.3. Firmware Upgrade
The firmware of Quectel LTE-QuecOpen modules is upgraded via USB port by default. Please follow the
procedures below to upgrade firmware.
1. Install and open the firmware upgrade tool QFlash on PC and then power on the LTE-QuecOpen
modules according to the procedures mentioned in
Chapter 5.1.1
.
2.
Click the “
COM Port
” dropdown list and select the USB DM port.
3.
Click the “
Load FW Files
” button to choose the firmware package.
4.
Click the “
Start
” button to upgrade the firmware.
Figure 50: QFlash Configurations for Firmware Upgrade
5.4. Reset Modules
The emergency reset option is only used in case of emergency. For example, the software does not
respond for more than 5s due to some serious problems.
Press the button S0402 (RESET) for more than 150ms then release it to reset LTE-QuecOpen modules.
However, this operation may cause the loss of information stored in the memory as the reset module has
been initialized.