Device Help3.340.3 - App Store
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Publisher Description
Get the most out of your smartphone with AT&T Device Help. Whether you’re setting up a new device or solving a problem, Device Help puts guidance and diagnostics right at your fingertips.
. Learn how to use your device with step‑by‑step guides and helpful tips
. Keep your device running smoothly with alerts for important updates
. Quickly identify and troubleshoot common issues with built‑in diagnostics
Version History Minor enhancements and bug fixes. 3.340.3 Aug 26 • Enhanced step-by-step walkthroughs that perfectly match the device make & model in use
• Redesigned interactive tests for touchscreen accuracy, battery health and speaker quality
• Bug Fixes:
• Fixed volume bar appearing during camera test 3.329.4 Jun 26 • Enhanced step-by-step walkthroughs that perfectly match the device make & model in use
• Redesigned interactive tests for touchscreen accuracy, battery health and speaker quality
• Bug Fixes:
• Fixed volume bar appearing during camera test 3.329.3 May 10 - Smart Search enhancements and improvements to search accuracy.
- Redesigned 'no connectivity' screen.
Bug fixes include:
- Removed the behavior where the volume bar was being displayed during
camera test (iOS).
- Health Score values bug corrected.
- iOS RAM usage test parameter change.
- Fix to back button not working while in Guide Me feature.
- Fixed “Voice Over” for app version area.
- Landscape screen issue with Emblem device.
- Display Tests behavior and results. 3.313.5 Feb 11 New Health Score and general updates and bug fixes 3.301.3 10/13/2025 Streamlined Onboarding screen and various bug fixes 3.289.0 08/01/2025 This version is the final of two major releases, which includes updates to:
• Redesigned Diagnostic results screens
• Solutions UI
• Health check journey
• Explore Tutorials & troubleshooting journey 3.275.1 04/04/2025 Enhanced home screen and health check, streamlined recommendations, and new troubleshooting flows 3.258.3 01/14/2025 Bug fixes and other improvements 3.251.1 10/15/2024 Bug fixes and CATO compliance stuff 3.238.0 07/30/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.218.2 04/12/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.206.9 12/18/2023 In this version we support CATO compliance. 3.187.0 08/04/2023 In this version we introduce a new look and feel, as well as an enhanced Troubleshoot section and new Device Health report. 3.156.4 01/03/2023 Home screen redesign 3.153.3 12/06/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.138.2 10/04/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.130.6 07/11/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.115.1 03/04/2022 Getting started categories 3.105.1 12/14/2021 Improved UI Enhanced content flow Minor defects fixed 3.103 12/01/2021 Improvements
. 3.96.4 10/20/2021 * Improved look and feel
* Access to AT&T account support
* Same great content 3.87.2 09/02/2021 Improvements. 3.78.1 06/28/2021 Improvements. 3.74 05/10/2021 3.66.1 03/03/2021
About Device Help
The company that develops Device Help is AT&T Services, Inc.. The latest version released by its developer is 3.340.3.
To install Device Help on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Device Help as malware if the download link is broken.
How to install Device Help on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Device Help is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Device Help is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 3.340.3
posted on 2026-10-14
Version History Minor enhancements and bug fixes. 3.340.3 Aug 26 • Enhanced step-by-step walkthroughs that perfectly match the device make & model in use
• Redesigned interactive tests for touchscreen accuracy, battery health and speaker quality
• Bug Fixes:
• Fixed volume bar appearing during camera test 3.329.4 Jun 26 • Enhanced step-by-step walkthroughs that perfectly match the device make & model in use
• Redesigned interactive tests for touchscreen accuracy, battery health and speaker quality
• Bug Fixes:
• Fixed volume bar appearing during camera test 3.329.3 May 10 - Smart Search enhancements and improvements to search accuracy.
- Redesigned 'no connectivity' screen.
Bug fixes include:
- Removed the behavior where the volume bar was being displayed during
camera test (iOS).
- Health Score values bug corrected.
- iOS RAM usage test parameter change.
- Fix to back button not working while in Guide Me feature.
- Fixed “Voice Over” for app version area.
- Landscape screen issue with Emblem device.
- Display Tests behavior and results. 3.313.5 Feb 11 New Health Score and general updates and bug fixes 3.301.3 10/13/2025 Streamlined Onboarding screen and various bug fixes 3.289.0 08/01/2025 This version is the final of two major releases, which includes updates to:
• Redesigned Diagnostic results screens
• Solutions UI
• Health check journey
• Explore Tutorials & troubleshooting journey 3.275.1 04/04/2025 Enhanced home screen and health check, streamlined recommendations, and new troubleshooting flows 3.258.3 01/14/2025 Bug fixes and other improvements 3.251.1 10/15/2024 Bug fixes and CATO compliance stuff 3.238.0 07/30/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.218.2 04/12/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.206.9 12/18/2023 In this version we support CATO compliance. 3.187.0 08/04/2023 In this version we introduce a new look and feel, as well as an enhanced Troubleshoot section and new Device Health report. 3.156.4 01/03/2023 Home screen redesign 3.153.3 12/06/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.138.2 10/04/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.130.6 07/11/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.115.1 03/04/2022 Getting started categories 3.105.1 12/14/2021 Improved UI Enhanced content flow Minor defects fixed 3.103 12/01/2021 Improvements
. 3.96.4 10/20/2021 * Improved look and feel
* Access to AT&T account support
* Same great content 3.87.2 09/02/2021 Improvements. 3.78.1 06/28/2021 Improvements. 3.74 05/10/2021 3.66.1 03/03/2021
version 3.329.4
posted on 2026-08-24
Version History • Enhanced step-by-step walkthroughs that perfectly match the device make & model in use
• Redesigned interactive tests for touchscreen accuracy, battery health and speaker quality
• Bug Fixes:
• Fixed volume bar appearing during camera test 3.329.4 Jun 26 • Enhanced step-by-step walkthroughs that perfectly match the device make & model in use
• Redesigned interactive tests for touchscreen accuracy, battery health and speaker quality
• Bug Fixes:
• Fixed volume bar appearing during camera test 3.329.3 May 10 - Smart Search enhancements and improvements to search accuracy.
- Redesigned 'no connectivity' screen.
Bug fixes include:
- Removed the behavior where the volume bar was being displayed during
camera test (iOS).
- Health Score values bug corrected.
- iOS RAM usage test parameter change.
- Fix to back button not working while in Guide Me feature.
- Fixed “Voice Over” for app version area.
- Landscape screen issue with Emblem device.
- Display Tests behavior and results. 3.313.5 Feb 11 New Health Score and general updates and bug fixes 3.301.3 10/13/2025 Streamlined Onboarding screen and various bug fixes 3.289.0 08/01/2025 This version is the final of two major releases, which includes updates to:
• Redesigned Diagnostic results screens
• Solutions UI
• Health check journey
• Explore Tutorials & troubleshooting journey 3.275.1 04/04/2025 Enhanced home screen and health check, streamlined recommendations, and new troubleshooting flows 3.258.3 01/14/2025 Bug fixes and other improvements 3.251.1 10/15/2024 Bug fixes and CATO compliance stuff 3.238.0 07/30/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.218.2 04/12/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.206.9 12/18/2023 In this version we support CATO compliance. 3.187.0 08/04/2023 In this version we introduce a new look and feel, as well as an enhanced Troubleshoot section and new Device Health report. 3.156.4 01/03/2023 Home screen redesign 3.153.3 12/06/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.138.2 10/04/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.130.6 07/11/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.115.1 03/04/2022 Getting started categories 3.105.1 12/14/2021 Improved UI Enhanced content flow Minor defects fixed 3.103 12/01/2021 Improvements
. 3.96.4 10/20/2021 * Improved look and feel
* Access to AT&T account support
* Same great content 3.87.2 09/02/2021 Improvements. 3.78.1 06/28/2021 Improvements. 3.74 05/10/2021 3.66.1 03/03/2021
version 3.329.4
posted on 2026-07-01
Version History • Enhanced step-by-step walkthroughs that perfectly match the device make & model in use
• Redesigned interactive tests for touchscreen accuracy, battery health and speaker quality
• Bug Fixes:
• Fixed volume bar appearing during camera test 3.329.4 4d ago • Enhanced step-by-step walkthroughs that perfectly match the device make & model in use
• Redesigned interactive tests for touchscreen accuracy, battery health and speaker quality
• Bug Fixes:
• Fixed volume bar appearing during camera test 3.329.3 May 10 - Smart Search enhancements and improvements to search accuracy.
- Redesigned 'no connectivity' screen.
Bug fixes include:
- Removed the behavior where the volume bar was being displayed during
camera test (iOS).
- Health Score values bug corrected.
- iOS RAM usage test parameter change.
- Fix to back button not working while in Guide Me feature.
- Fixed “Voice Over” for app version area.
- Landscape screen issue with Emblem device.
- Display Tests behavior and results. 3.313.5 Feb 11 New Health Score and general updates and bug fixes 3.301.3 10/13/2025 Streamlined Onboarding screen and various bug fixes 3.289.0 08/01/2025 This version is the final of two major releases, which includes updates to:
• Redesigned Diagnostic results screens
• Solutions UI
• Health check journey
• Explore Tutorials & troubleshooting journey 3.275.1 04/04/2025 Enhanced home screen and health check, streamlined recommendations, and new troubleshooting flows 3.258.3 01/14/2025 Bug fixes and other improvements 3.251.1 10/15/2024 Bug fixes and CATO compliance stuff 3.238.0 07/30/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.218.2 04/12/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.206.9 12/18/2023 In this version we support CATO compliance. 3.187.0 08/04/2023 In this version we introduce a new look and feel, as well as an enhanced Troubleshoot section and new Device Health report. 3.156.4 01/03/2023 Home screen redesign 3.153.3 12/06/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.138.2 10/04/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.130.6 07/11/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.115.1 03/04/2022 Getting started categories 3.105.1 12/14/2021 Improved UI Enhanced content flow Minor defects fixed 3.103 12/01/2021 Improvements
. 3.96.4 10/20/2021 * Improved look and feel
* Access to AT&T account support
* Same great content 3.87.2 09/02/2021 Improvements. 3.78.1 06/28/2021 Improvements. 3.74 05/10/2021 3.66.1 03/03/2021
version 3.329.3
posted on 2026-06-11
Version History • Enhanced step-by-step walkthroughs that perfectly match the device make & model in use
• Redesigned interactive tests for touchscreen accuracy, battery health and speaker quality
• Bug Fixes:
• Fixed volume bar appearing during camera test 3.329.3 May 10 - Smart Search enhancements and improvements to search accuracy.
- Redesigned 'no connectivity' screen.
Bug fixes include:
- Removed the behavior where the volume bar was being displayed during
camera test (iOS).
- Health Score values bug corrected.
- iOS RAM usage test parameter change.
- Fix to back button not working while in Guide Me feature.
- Fixed “Voice Over” for app version area.
- Landscape screen issue with Emblem device.
- Display Tests behavior and results. 3.313.5 Feb 11 New Health Score and general updates and bug fixes 3.301.3 10/13/2025 Streamlined Onboarding screen and various bug fixes 3.289.0 08/01/2025 This version is the final of two major releases, which includes updates to:
• Redesigned Diagnostic results screens
• Solutions UI
• Health check journey
• Explore Tutorials & troubleshooting journey 3.275.1 04/04/2025 Enhanced home screen and health check, streamlined recommendations, and new troubleshooting flows 3.258.3 01/14/2025 Bug fixes and other improvements 3.251.1 10/15/2024 Bug fixes and CATO compliance stuff 3.238.0 07/30/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.218.2 04/12/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.206.9 12/18/2023 In this version we support CATO compliance. 3.187.0 08/04/2023 In this version we introduce a new look and feel, as well as an enhanced Troubleshoot section and new Device Health report. 3.156.4 01/03/2023 Home screen redesign 3.153.3 12/06/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.138.2 10/04/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.130.6 07/11/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.115.1 03/04/2022 Getting started categories 3.105.1 12/14/2021 Improved UI Enhanced content flow Minor defects fixed 3.103 12/01/2021 Improvements
. 3.96.4 10/20/2021 * Improved look and feel
* Access to AT&T account support
* Same great content 3.87.2 09/02/2021 Improvements. 3.78.1 06/28/2021 Improvements. 3.74 05/10/2021 3.66.1 03/03/2021
version 3.313.5
posted on 2026-05-09
Version History - Smart Search enhancements and improvements to search accuracy.
- Redesigned 'no connectivity' screen.
Bug fixes include:
- Removed the behavior where the volume bar was being displayed during
camera test (iOS).
- Health Score values bug corrected.
- iOS RAM usage test parameter change.
- Fix to back button not working while in Guide Me feature.
- Fixed “Voice Over” for app version area.
- Landscape screen issue with Emblem device.
- Display Tests behavior and results. 3.313.5 Feb 11 New Health Score and general updates and bug fixes 3.301.3 10/13/2025 Streamlined Onboarding screen and various bug fixes 3.289.0 08/01/2025 This version is the final of two major releases, which includes updates to:
• Redesigned Diagnostic results screens
• Solutions UI
• Health check journey
• Explore Tutorials & troubleshooting journey 3.275.1 04/04/2025 Enhanced home screen and health check, streamlined recommendations, and new troubleshooting flows 3.258.3 01/14/2025 Bug fixes and other improvements 3.251.1 10/15/2024 Bug fixes and CATO compliance stuff 3.238.0 07/30/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.218.2 04/12/2024 The new and improved Device Help app goes beyond conventional self-help tools by providing a comprehensive range of features. Through intelligent and dynamic diagnostics, the app can identify device conditions and suggest personalized recommendations and useful troubleshooting and tips specific to your device. 3.206.9 12/18/2023 In this version we support CATO compliance. 3.187.0 08/04/2023 In this version we introduce a new look and feel, as well as an enhanced Troubleshoot section and new Device Health report. 3.156.4 01/03/2023 Home screen redesign 3.153.3 12/06/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.138.2 10/04/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.130.6 07/11/2022 User interface enhancements
User experience enhancements
Feedback improvements 3.115.1 03/04/2022 Getting started categories 3.105.1 12/14/2021 Improved UI Enhanced content flow Minor defects fixed 3.103 12/01/2021 Improvements
. 3.96.4 10/20/2021 * Improved look and feel
* Access to AT&T account support
* Same great content 3.87.2 09/02/2021 Improvements. 3.78.1 06/28/2021 Improvements. 3.74 05/10/2021 3.66.1 03/03/2021
version 3.313.5
posted on 2026-02-11
- Smart Search enhancements and improvements to search accuracy.
- Redesigned 'no connectivity' screen.
Bug fixes include:
- Removed the behavior where the volume bar was being displayed during
camera test (iOS).
- Health Score values bug corrected.
- iOS RAM usage test parameter change.
- Fix to back button not working while in Guide Me feature.
- Fixed “Voice Over” for app version area.
- Landscape screen issue with Emblem device.
- Display Tests behavior and results.
version 3.301.3
posted on 2025-10-13
New Health Score and general updates and bug fixes
version 3.289.0
posted on 2025-08-01
Aug 1, 2025
Version 3.289.0
Streamlined Onboarding screen and various bug fixes
version 3.275.1
posted on 2025-04-04
Apr 4, 2025
Version 3.275.1
This version is the final of two major releases, which includes updates to:
• Redesigned Diagnostic results screens
• Solutions UI
• Health check journey
• Explore Tutorials & troubleshooting journey
version 3.258.3
posted on 2025-01-14
Jan 14, 2025
Version 3.258.3
Enhanced home screen and health check, streamlined recommendations, and new troubleshooting flows
Disclaimer
Official App Store Link
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