Quectel UMTS&LTE EVB - Firmware Upgrade; Reset UMTS&LTE Modules

UMTS/HSPA/LTE Module Series
UMTS&LTE EVB User Guide
UMTS&LTE_EVB_User_Guide Confidential / Released 41 / 44
5.3. Firmware Upgrade
Quectel UMTS&LTE module upgrades firmware 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 UMTS&LTE module
according to the procedures mentioned in Chapter 5.1.
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 36: Configurations for Firmware Upgrade
5.4. Reset UMTS&LTE 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 S303 for more than 150ms then release it to reset UMTS&LTE module. However, this
may causes the loss of information stored in the memory as the reset module has been initialized.
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