> For the complete documentation index, see [llms.txt](https://developer.magtek.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.magtek.com/hardware/~/revisions/aurjDoOhAcnQLHeoR1ks/card-readers/mms-dyna-devices/emv-common-kernel/dynaflex-ii-go/documents/developers-manuals/programmers-manual-commands/commands/device-control/reset-device.md).

# Reset Device

## Command 0x1F01 - Reset Device

The host uses this command to reset the device.

{% stepper %}
{% step %}

### Construct the command request

The host constructs the command request for **Command 0x1F01 - Reset Device** in the format below.
{% endstep %}

{% step %}

### Send the command request

The host sends the command request to the device.
{% endstep %}

{% step %}

### Device responds

The device sends a response in the format below to the host.
{% endstep %}

{% step %}

### Device resets

The device starts an automatic reset within 500ms.
{% endstep %}
{% endstepper %}

## Table - Request Data for Command 0x1F01 - Reset Device

<table><thead><tr><th>Tag</th><th width="74">Len</th><th width="246">Value / Description</th><th width="76.33331298828125">Typ</th><th width="73.6666259765625">Req</th><th width="98.666748046875">Default</th></tr></thead><tbody><tr><td>Beginning of any wrappers, at minimum including <strong>Request Message</strong> </td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>1F01 = <strong>Command 0x1F01 - Reset Device</strong></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>81</td><td>01</td><td><p>Power Off Option</p><ul><li>0x00 = Reset</li><li>0x01 = Power Off</li></ul><p>Power off only works while a device is running on its battery. If a device is powered off while it is powered by USB, the device will immediately turn back on.</p></td><td>B</td><td>O</td><td>0x00</td></tr><tr><td>End of any wrappers, at minimum including <strong>Request Message</strong></td><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>

## Table - Response Data for Command 0x1F01 - Reset Device

<table><thead><tr><th>Tag</th><th width="74">Len</th><th>Value / Description</th><th width="75">Typ</th><th width="73.6666259765625">Req</th><th width="100.666748046875">Default</th></tr></thead><tbody><tr><td>Beginning of any wrappers, at minimum including <strong>Response Message</strong> </td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>1F01 = <strong>Command 0x1F01 - Reset Device</strong></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>No parameters.</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>End of any wrappers, at minimum including <strong>Response Message</strong> </td><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>

## Table - Request Example

{% code title="Example (Hex)" %}

```hex
AA 00 81 04 01 12 1F 01 84 02 1F 01
```

{% endcode %}

Table 165 - Response Example

{% code title="Response Example (Hex)" %}

```hex
AA 00 81 04 82 12 1F 01 82 04 00 00 00 00
```

{% endcode %}


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