> ## Documentation Index
> Fetch the complete documentation index at: https://docs.oloid-demo.com/llms.txt
> Use this file to discover all available pages before exploring further.

# How to Unlock the Device Screen using the Oloid DeviceLock App with Badge Credential

> This document provides step-by-step instruction to unlock the Device Screen using the Oloid DeviceLock App with Badge credential.

## Introduction

The **Oloid DeviceLock app** enables users to securely unlock their Android devices using **Badge credential**. After successful authentication, the device unlocks and redirects to the device **home screen**.

## Prerequisites

* Ensure that the Android device is connected to an external card reader.
* You must have your assigned Badge ID.

## Steps to Unlock the Device

1. Press the **Power** button or tap the screen on your device.

   > [!NOTE]
   >
   > **Note:** The Device Lock app is displayed automatically, as it always runs in Kiosk Mode.

   The Welcome screen is displayed.
2. Tap **Login with Badge**.

   > [!NOTE]
   >
   > **Note:** You will only see the authentication methods (Face, Badge, PIN, QR, Password and NFC/ID) enabled for you. Button names may vary based on configuration. Contact [Support](mailto:Support@oloid.ai) if no authentication method appears.

   ![How to Unlock the Device Screen using... - screenshot 1](https://mintcdn.com/oloid-999c42b2/Ig3Ofa3DxLH6vY_d/images/intercom/12779676/image-71bc9fc8.png?fit=max\&auto=format\&n=Ig3Ofa3DxLH6vY_d\&q=85\&s=bbfb09c1e95e0f953e4152d4844c914b)

   The **Scan Badge at the Reader** pop-up box is displayed.

Tap the Badge on the Badge Reader to scan it.

![How to Unlock the Device Screen using... - screenshot 2](https://mintcdn.com/oloid-999c42b2/Ig3Ofa3DxLH6vY_d/images/intercom/12779676/image-d7127499.png?fit=max\&auto=format\&n=Ig3Ofa3DxLH6vY_d\&q=85\&s=ace3ccdfa73867000b1f2db4fd033581)

After successful Badge authentication, the device unlocks and displays the **home screen**.

![How to Unlock the Device Screen using... - screenshot 3](https://mintcdn.com/oloid-999c42b2/Ig3Ofa3DxLH6vY_d/images/intercom/12779676/image-ab0ff29f.png?fit=max\&auto=format\&n=Ig3Ofa3DxLH6vY_d\&q=85\&s=cf32826e8b900c4fb018c3f6c12335d0)