Dragino LT22222-L User Manual

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LT Series LoRa IO controller User Manual 34 / 42
5. FAQ
5.1 How to upgrade the image?
The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to
LT to:
 Support new features
 For bug fix
 Change LoRaWAN bands.
Below shows the hardware connection for how to upload an image to the LT:
Step1: Download flash loader.
Step2: Download the LT Image files.
Step3: Open flashloader; choose the correct COM port to update.
Hold down the PRO button and then momentarily press the RST reset button and the DO2 led will change from
OFF to ON. When DO2 LED is on, it means the device is in download mode.

Dragino LT22222-L Specifications

General

Brand	Dragino
Model	LT22222-L
Category	Controller
Language	English