Last modified by Mengting Qiu on 2025/06/04 18:42

From version 77.43
edited by Xiaoling
on 2022/06/10 09:00
Change comment: There is no comment for this version
To version 77.42
edited by Xiaoling
on 2022/06/10 08:59
Change comment: There is no comment for this version

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1832 1832  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1833 1833  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1834 1834  **Step3: **Open flashloader; choose the correct COM port to update.
1835 -
1836 -
1837 1837  **For LT-22222-L**:
1838 1838  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1839 1839  )))