Figure: User Defined AT Commands
The last tag helps you upgrade firmware via the terminal COM port. Select the path to
the current firmware file and press to initiate the upgrading process, which isStart
signalled by the progress bar below. When the process is completed, the terminal will
get restarted.
Figure: FW Upload
Caution
Make sure that the terminal FW supports FW upgrade via the COM
port to make the process successful. The minimum terminal FW
version must be 1.4.0.
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