Quectel L89 R2.0 User Manual page 22

Step 3: Double-click the "cfg file" field to the select cfg file, e.g., " flash_download.cfg ", as shown the
figure below.
Step 4: Select the "Serial Port" and "Baudrate" of the used COM Port. If the power switch (S101) is in
the ON position, after clicking "Start" button, press the RESET_N button on the EVB (hold it for
100 ms and then release it) to start downloading. If the EVB is in a power-off state, after clicking
"Start", flip the power switch (S101) to the ON position to start downloading.
L89_R2.0_EVB_User_Guide
Figure 10: Firmware Upgrading
Figure 11: Firmware Upgrading – Step 3
GNSS Module Series
–
Step 2
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