# UPGRADE G-HARDON MAINBOARD FIRMWARE

## **Flashing G-Hadron Payload Application**

**1. Download** [**Latest Gremsy Flash Tool**](https://github.com/Gremsy/GremsyFlashTools_Public/releases/latest)

**2. Connecting devices**

* Powering the G-Hadron MainBoard and waiting for about 70 seconds for the device to ready.
* Connect the mainboard to the PC via a type-C USB cable through the HOST socket

 ![](https://bookstack.gremsy.vn/uploads/images/drawio/2024-05/drawing-16-1717137657.png)\
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**3. Flash SoM Payload G-Hadron**\
Open the Gremsy Flash Tools, then choose "PAYLOAD G-HADRON"

<figure><img src="https://3309772875-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnikHUDUd2JXqkOsnOi7l%2Fuploads%2FfrJXIc4IPzhViZAfgNQh%2Fimage.png?alt=media&#x26;token=0aa921c8-7cc4-4fe9-9350-3d7ff6fc3e62" alt=""><figcaption></figcaption></figure>

* Download G-Hadron Payload release from [Github link](https://github.com/Gremsy/GHadron-Payload-Bin/releases/latest)
* Choose "OPEN FILE" and browse the "G-Hadron\_x.x.x.zip" file

<figure><img src="https://3309772875-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnikHUDUd2JXqkOsnOi7l%2Fuploads%2FY79U3H06U7uYVZKo8ixa%2Fimage.png?alt=media&#x26;token=e08bdfbc-e805-4e4a-aa5f-8c5900ca94f1" alt=""><figcaption></figcaption></figure>

* On the Gremsy Flash Tools, choose "CHECK DEVICE", then the connection successfully will show up.

<figure><img src="https://3309772875-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnikHUDUd2JXqkOsnOi7l%2Fuploads%2FPLvXw3hfWkRZ6nQCzdBY%2Fimage.png?alt=media&#x26;token=4bc876dc-f4be-42a9-843a-03eb9545ba1a" alt=""><figcaption></figcaption></figure>

* Choose "FLASH PAYLOAD G-HADRON" and wait for 3-5 minutes for the process to complete

<figure><img src="https://3309772875-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnikHUDUd2JXqkOsnOi7l%2Fuploads%2FWJXDViW3S4cAzRPDuOuk%2Fimage.png?alt=media&#x26;token=3cf41035-0d3d-434f-ad58-80deef618a2d" alt=""><figcaption></figcaption></figure>