Device Diagnostic Tool

Device Diagnostic Tool 2.7 Now Available

New features supported in Android 10 and Android 11:

• New About screen added, containing version information. To access About, tap the menu on the top right of the main screen and select About.
• Scanner Test now supports all barcode symbologies. Previously, a restricted set of symbologies were supported, which resulted to a failed test if an unsupported barcode was scanned.
• DDT now sends test result data to Zebra Data Service for integration with VisibilityIQ.
• Added test completion (end) time to the log files, in addition to the test start time.

Consult the release notes to learn more, and download the latest version of DDT as an APK file or from the Google Play Store.

INSTALLATION

.APK File Installation Steps

1. Click the Download DDT V2 (.APK file) button below to download the .APK file.
2. When the .APK file is downloaded or copied by your administrator to the device, open the .APK file on the device to install DDT.

Google Play Store Installation Steps

1. Click the Google Play button below to access the application from the Google Play store.
2. Click the Install button.

LAUNCH

Once Installation is complete:

1. DDT is available for use from the application menu on the device.
2. Click the Open button to launch the application.
3. If prompted, grant all the permissions requested.
4. Press Run Tests to run all tests on the device – or select specific tests from the list on the screen to run those tests. 

The Device Diagnostic Tool V2 is available for the following Zebra Android mobile computers:

Android Operating System versions supporting Device Diagnostic Tool V2:

• Android 10
• Android 11

*For devices with Android KitKat 4.1.1 to 4.4.3, please download DDT 1.0

The following eight tests are available to run with Device Diagnostic Tool V2:

• Audio Test: Checks whether the device microphone and speaker are functioning correctly. The user is required to record sample audio and listen to the sample audio recording to execute this test.
  
  
• Battery Test: Measures and reports the health of the battery. The following battery related information is provided: battery capacity, battery level, part number, serial number, manufacture date, decommission status, voltage, current, and temperature. Additionally, you may set the maximum cycle count threshold for battery replacement
  
  
• Bluetooth Test: Checks whether bluetooth is functioning correctly. The following Bluetooth related information is provided: Bluetooth name, radio power cycle result, radio functional/non-functional, and discoverable/connectable.
  
  
• Button Test: Checks the operation of push-to-talk, left or right scan trigger, and volume up and volume down device buttons. The user is required to push the applicable buttons on the device to execute this test.
  
  
• Scanner Test: Checks whether the device can successfully scan a barcode without error. The user is required to perform the scan operation to execute this test.
  
  
• Touch Screen Test: Checks whether the touch screen of device is functioning correctly. The user is required to touch the display to execute this test.
  
  
• WiFi Test: Measures the signal strength, availability of WiFi, and checks for operation of the WiFi radio. The following WiFi related information is provided: MAC address, network test results from specified address, radio power cycle result, signal strength, ESSID, IP address, BSSID, and speed.

Note, to run the test, users must now manually enable WIFI on all devices and also enable location service on Android 10 devices. A message displays to prompt the user to turn on WIFI or location service prior to running the test. If wifi is not enabled the test will not run. If location service is not enabled, the test will run however the ESSID value will display “location not enabled”

• WWAN Test:  Measures the cellular network connection strength and checks for operation of the WWAN radio. The following WWAN information is provided: SIM state, voice state, data state, WAN type, signal strength, phone number, and device ID. Note, if a SIM card is not detected, a caution message displays informing the user that a SIM card is not installed and the test will not run.

Note, to comply with Android security requirements, when this test is run on Android 10 devices, the test details screen no longer displays the device ID and the history log file no longer captures the device ID or the device service number. 

• SD Card Test: checks for SD card presence, total/free space, and read/write status.

Additional information such as About Device Diagnostic Tool, Using Device Diagnostic Tool, Configuration, Test Criteria, and Managed Configurations are available on below TechDocs site links.

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The Device Diagnostic Tool Release 1.0 was launched in 2015 for select mobile computers with Android KitKat, Windows Mobile 6.5, and Windows CE 5.0., 6.0, 7.0 operating systems. Release 1.0 continues to be available for download however it is no longer supported. The following tests are available in Release 1.0:

• Battery Test
• Bluetooth Test
• GPS Test
• System Test
• WiFi/WLAN Test
• WWAN Test

For a list of supported devices and OS versions, please expand the Device Diagnostic Tool 1.0 option below and review the device compatibility section for each operating system.