How to Run Apple Diagnostics on iPhone

Apple Diagnostics is a built-in utility that comes with every iPhone. It’s designed to test your iPhone’s hardware and software for problems. To run Apple Diagnostics, connect your iPhone to a power source, then press and hold the Home button and the Sleep/Wake button at the same time.

Release both buttons when the Apple logo appears. You’ll see either a “No issues found” message or a list of issues on the screen.

  • Open the Settings app on your iPhone
  • Scroll down and tap on General
  • Tap on About
  • Scroll down to the bottom of the page and tap on Diagnostics & Usage
  • Tap on Diagnostics & Usage Data
  • Scroll down to the bottom of the page and tap on Apple Diagnostics
  • Tap on Begin Diagnostics to start the test

How to Run Diagnostics on Your iPhone 2 Ways


How Do I Start Diagnostics With Apple iPhone?

If you’re having trouble with your iPhone, Apple has a built-in diagnostic tool to help troubleshoot your device. Here’s how to use it: First, make sure you have the latest version of iTunes installed on your computer.

Then connect your iPhone to your computer using a Lightning cable (the cable that came with your iPhone). Once your iPhone is connected, open iTunes and select your device. Click on the Summary tab and then click Check for Updates.

If there is an update available for your iPhone, download and install it. Once the update is installed, restart both your computer and your iPhone. Once they’re both up and running again, reconnect your iPhone to your computer using the Lightning cable.

Open iTunes and select your device again. This time, click on the Diagnostics tab. You’ll see a list of tests that you can run on your device; each test checks something specific (like the battery or the display).

To run a test, simply click on its name in the list. That’s all there is to it! By running these diagnostics tests, you should be able to figure out what’s wrong with your iPhone and then take steps to fix it.

Can I Run a Diagnostic Test on My iPhone?

Yes, you can run a diagnostic test on your iPhone. To do so, open the Settings app and tap on General. Then, scroll down to the bottom of the page and tap on Diagnostics & Usage.

On the next page, tap on Diagnose & Send. This will bring up a list of different diagnostic tests that you can run on your iPhone. Simply select the one that you want to run and then follow the instructions on the screen.

Once the test is complete, you’ll be able to see the results in the Diagnostics & Usage section of the Settings app.

How Do I Run Apple Diagnostics?

Apple Diagnostics is a tool that comes built into your Mac. It helps you troubleshoot issues with your Mac’s hardware. To run Apple Diagnostics, first, make sure that your Mac is turned off.

Then press and hold the D key on your keyboard while you turn on your Mac. Keep holding the D key until you see the Diagnostics Utilities window appear. From here, you can choose to run Basic Tests or Extended Tests.

Basic Tests will test for common issues, while Extended Tests will test for more detailed issues.

What is Diagnostic Mode on iPhone?

iOS Diagnostic Mode is a hidden feature on your iPhone that allows you to run diagnostics on your device. This mode is useful for troubleshooting problems with your iPhone, such as battery life, connectivity, and software issues. To access diagnostic mode, you will need to connect your iPhone to a Mac or PC running iTunes.

Once connected, open iTunes and select your device from the sidebar. Then, click on the “Summary” tab and scroll down to the “Options” section. Here, you will see a checkbox for “Enable iOS Diagnostic Mode.

Check this box and then click the “Apply” button at the bottom of the screen. Once the diagnostic mode is enabled, you can use it to run various tests on your iPhone. For example, you can test the speakers, microphone, camera, Touch ID sensor, and home button.

To do this, simply go to the “Settings” app on your iPhone and scroll down to the “Diagnostics & Usage” section. Here, you will find a list of all available tests. Simply select the one you want to run and follow the instructions on-screen.

How to Run Diagnostics on iPhone 12

If you’re having trouble with your iPhone 12, running diagnostics can help troubleshoot the issue. To run diagnostics on your iPhone 12, follow these steps:

1. Open the Settings app and tap “General.”

2. Tap “About.

3. Scroll down and tap “Diagnostics & Usage.

4. Tap “Diagnostics & Usage Data.

from here, you can see a list of diagnostic logs that have been generated by your iPhone 12. If you’re having trouble with a specific app, you can select the app’s name to view its logs.

5. To export a log, tap the share icon next to the log you want to export, then choose how you want to share it (e-mail, Messages, etc.). Exporting a diagnostic log can be helpful if you’re working with Apple support or another technician to troubleshoot an issue with your iPhone 12.


If your iPhone is acting up, one thing you can do to figure out what the problem is by running Apple Diagnostics. This will help narrow down whether the issue is with your hardware or software.

Editor - An aspiring Web Entrepreneur, Professional Blogger for over 9 years, SEO Specialist, Digital Marketing Expert, and avid Tech Geek. He loves to cover topics related to iOS, Tech News, and the latest tricks and tips floating over the Internet.