# 35t Firmware Flashing

{% embed url="<https://ducks-services.com/uploads/pages_media/105564878_35tFlashNEW.mp4?_cb=1778858263>" %}

***

{% stepper %}
{% step %}

### Connect to JTAG Port

* Plug the **USB cable** into the **JTAG port** on your DMA card.
  {% endstep %}

{% step %}

### Download the Flashing Tools

<a href="https://mega.nz/file/KjgTFJYR#CvVQaz4sCljsaLAVujOGYhjZnVJk-QZ4zZxIiAuu6R4" class="button primary" data-icon="arrow-down-to-bracket">35t Flashing Tool</a>
{% endstep %}

{% step %}

### Open Zadig

* Run `ZADIG.exe` as administrator
  {% endstep %}

{% step %}

### Enable Device List

* Click `Options` → `List All Devices`
  {% endstep %}

{% step %}

### Select Device

* Choose `RS Interface 0`
  {% endstep %}

{% step %}

### Install Driver

* Click `Install Driver` or `Replace Driver`
* Wait for successful installation message
  {% endstep %}

{% step %}

### Open OCD Folder

* Go into the `OCD` folder
  {% endstep %}

{% step %}

### Add Firmware

* Place your firmware file into the folder
  {% endstep %}

{% step %}

### Rename Firmware

* Rename firmware to:\
  `pcileech_screamer_m2_top.bin`
  {% endstep %}

{% step %}

### Start Flash

* Run `flash.bat` as administrator
* Flashing may take up to 5 minutes
* Press `Enter` once completed
  {% endstep %}

{% step %}

### Switch to DATA

* Change USB-C adapter from **JTAG** back to **DATA** mode
  {% endstep %}

{% step %}

### Power Cycle PCs

* Fully shut down both PCs
* Turn both PCs back on
  {% endstep %}
  {% endstepper %}

***

### ✅ You're Done

You have now successfully flashed your 35t DMA Card.

{% hint style="info" %}
It is now recommended to run a [**Speed Test (2nd PC)**](https://docs.ducks-services.com/dma/dma-card/speed-test-2nd-pc) to ensure everything was flashed correctly.
{% endhint %}

***


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