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titleCheck Your Mobile Device Operating System

On mobile devices, SystemCheck checks the device's operating system for testing readiness. Use the same URL given to you for desktop platforms for mobile devices.

After you confirm that mobile devices meet minimum system requirements for tablets, use the sections below to set up mobile devices in your testing environment.


To set up TestNav on Chromebooks, you should first determine whether each Chromebook is managed or unmanaged. Unmanaged Chromebooks are typically only used in "bring your own device" (BYOD) settings. To check if a Chromebook is managed or unmanaged, see Manage Chrome Devices.


titleInstalling TestNav on Managed Chromebooks


For step-by-step setup instructions, click the links below. You can also read further on this page for a detailed overview on installable TestNav, App Check, and saved response file (SRF) and log files


  1. Log into your Google Apps for Education account, and log in to the Admin console for your domain.
  2. From the Admin console, select Device Management > Chrome > Device settings.
  3. In the User Data section, ensure that Do not erase all local user data is selected.
  4. Select Save changes, if visible.


  1. Log into your Google Apps for Education account, and log in to the Admin console for your domain.
  2. From the Admin console, select Device Management > Chrome > Device settings.
  3. In the Kiosk Settings section, verify that Allow Single App Kiosk is selected in the Single App Kiosk drop-down. Also, if it wasn't already visible, Manage Kiosk Applications should appear.
  4. Select Manage Kiosk Applications > Chrome Web Store. Use the Chrome Web Store Search box to search for TestNav and install.
  5. Select Add. Then select Save.
  6. Leave Auto-Login to Kiosk App set to None, and select Save changes, if visible.

See Turn on Single App Kiosk Mode for more information about kiosk mode.

titleInstalling TestNav on Unmanaged Chromebooks (such as BYOD)
  1. Log in to the Chromebook using the owner account.
    • If you do not have the owner account information, back up any important data into cloud storage, and wipe the device. The instructions for doing so are not the same for all Chromebooks. To find the instructions for your device, see Wipe device data.
    • Create a new owner account, and log in with that account information.
  2. Start the Chrome browser.
  3. Enter chrome://extensions in the browser address bar. Click Enter.
  4. Select the Developer mode checkbox, and click Manage kiosk applications
    If you do not see Manage Kiosk Applications, you do not have the correct owner account information. Go back to step 1, and create a new owner account.
  5. Enter the TestNav ID - mdmkkicfmmkgmpkmkdikhlbggogpicma in the Add kiosk application box. Click Add, and click Done. 
  6. Sign out of the Chromebook.

See Turn on Single App Kiosk Mode for more information about kiosk mode.

titleLaunching TestNav
  1. Power on the Chromebook, but do not log in.
  2. In the lower left hand of the screen, select Apps > TestNav to launch TestNav.
    A message appears, informing you that you can use <ctrl><alt>s to exit Chrome OS when you first launch TestNav. This only works while the message displays.
  3. To shut down and exit kiosk mode after the app launches, hold down the Power button.

Find and Update Release Versions

titleFinding your Release Version
  1. Launch the TestNav app.
  2. Click in the username or password field.
  3. Press <ctrl><shift>z and the File Viewer box appears. See the application version under File Viewer.
  4. If the File Viewer does not display, click on the window and then press <ctrl><shift>z again.
titleUpdating your Release Version

After you install TestNav from the Chrome Web Store, it should automatically update by one of the following:

  1. TestNav auto-updates in kiosk mode.
  2. TestNav auto-updates on a timeframe specified within the Chrome Web Store for non-kiosk mode implementations.

However, if your technology environment does not allow for automatic updates, you can manually update TestNav to the newest version:

  1. Remove the outdated version of the app.
  2. Install the latest version from the Chrome Web Store.


You can set up TestNav on an iPad for secure testing using one of the following methods:

titleApple Configurator via USB

To enable single app mode on iPad using Apple Configurator, you first back up the device to retain any data or applications. You, then, turn on Supervised mode (which wipes the device) for your organization.

You may restore the iPad after testing by placing the iPad in Supervised mode to put data and apps back on the device.

  1. Connect the iPad to a Mac OS X machine using a USB connection.
  2. On the Mac OS X machine, launch Apple Configurator.
  3. On the Configurator's Prepare tab, turn on Supervision.
  4. Click the Prepare button at the bottom of the window.
  5. If prompted, enter the appropriate organization information and click Done.
  6. When you are asked to confirm that you want to apply the settings, click Apply.
  7. Wait while the Configurator completes the updates. When complete, click the Supervise tab.
  8. From the Lock to App drop-down menu, select TestNav.
    • To release a device from the single app mode, confirm that the device is connected to the Mac OS X Server. Then select None from the same menu.
  9. Click Apply at the bottom of the window.
titleApple Profile Manager

Administrators can use Mobile Device Manager (MDM) to push a profile to devices to wirelessly turn on/off single app mode.

Profile Manager is Apple's MDM solution for Mac OS X. You can select the TestNav app from the Lock to App menu and push the profile to supervised devices.

titleAutonomous Single App Mode

You can also use Autonomous Single App Mode (ASAM) mode (Lock to App) to set up iPad for secure testing. ASAM is the recommended solution for LEAs to manage single app mode because it reduces administrator workload.

The ASAM feature requires BOTH a Supervised iPad (which you enable only from Apple Configurator) and an MDM (either Profile Manager or third-party). With ASAM, TestNav turns Guided Access on and off, as each testing scenario requires.

Administrators do not need to push profiles to devices to turn on/off single app mode, but grant TestNav the ability to turn on Single App mode on-demand.

titleGuided Access Mode - iOS 7 and iOS 8
  1. Rotate the iPad to landscape orientation.
  2. Tap Settings > General > Accessibility > Guided Access.
    • Turn on Guided Access.
    • Set Passcode.
    • Tap Accessibility Shortcut.

Using TestNav with Guided Access (iOS 7 and iOS 8)

  1. Launch TestNav app.
  2. Triple click the Home button and enter the passcode.
  3. Tap Options.
    • Turn off Sleep/Wake.
    • Turn on Volume Buttons setting.
    • Turn off Motion to lock iPad to landscape mode.
    • Turn on Touch setting.
  4. Tap Start.

Exiting TestNav/Closing Guided Access mode

  1. Triple-click the Home button.
  2. Enter the passcode.
  3. Tap end in the upper left-hand corner.

Find and Update Release Versions

titleFinding Your Release Version
  1. Tap Settings on the Home screen.
  2. Locate TestNav in the list and select it.
  3. The version and build number, such as 1.0.4 (0037), displays to the right of TestNav.
titleUpdating Your Release Version

After you install TestNav from the app store, it should automatically update. However, if your technology environment does not allow for automatic updates, you can manually update the application using one of the following methods:

  • Over-the air (MDM-managed iPads)
  • Apple App Store
  • iTunes (tethered iPads)

If you cannot update with the above methods, manually remove the outdated version and install the latest version from the Apple App Store.

Related Info

titleTurn Off Auto-Correction/Predictive Text

When using iPads on iOS 7 and iOS 8 for secure testing, turn off Auto-Correction and Predictive text:

  1. Tap Settings > General > Keyboard > Auto-Correction, and slide left to turn off. 
  2. See Predictive on the same screen, and slide left to turn off.


You can setup TestNav on Android using the following instructions:

titleInstalling TestNav on Android

To use TestNav for your testing sessions, you must first send the app to devices:

  1. Log in to your Google Play for Education account.

  2. Click on TestNav, and click Install.

  3. Click Continue at the bottom of the screen after reading information on permissions.

  4. In the Add People field, add the names or email addresses of those you want to access TestNav.
    You can also enter a Google Group address or a contact group.

  5. Google has also provided Tips on sending content on their Send free content to students page.

titleLaunching TestNav on Androids
  1. Tap Apps.

  2. Tap TestNav.

  3. Tap Select Your Test.

  4. Tap your program from the drop-down menu.

  5. Tap Go to Customer Site, and then sign in to begin the test session.

Find and Update Release Versions

titleFind Your Release Version
  1. Tap the Settings gear gear.pngImage Removed.

  2. Tap Apps.

  3. Tap TestNav.

  4. Find your release version at the top left of the screen.

titleUpdate Your Release Version

TestNav automatically updates to the latest version on Android devices.




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Wireless Testing Best Practices

If you're testing wirelessly, use the following best practices:

  • Use the most wireless access points (WAPs) possible.
  • Limit the number of computers per WAP.
  • Limit distance and obstructions between devices and the WAPs.
  • Run an infrastructure trial to test capacity and performance.


Understand App Check

You can find App Check on the TestNav Sign In page. App Check confirms that the device or computer can connect to TestNav and that it is configured to start TestNav in kiosk mode. An optional configuration identifier may be entered to validate additional TestNav configurations from the assessment management system.

See the Run App Check section on each setup page for basic step-by step instruction.


App Check does not check screen size or resolution. If a student attempts to sign in to a test on a device that does not meet support minimums, TestNav may display an error. See TestNav System Requirements for support minimums.

Understand SRF and Log Files

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