Navigating the Tech Maze: How to run diagnostics on iPhone 12 with Ease

Anam Javaid
CEO Rendream
2023-06-21 . 15 min read

The iPhone 12 is unlike any other smartphone on the market today, and for a good reason: it is packed to the gills with cutting-edge capabilities. However, it is prone to malfunctions just like any other technological device. Knowing how to run diagnostics on iPhone 12 becomes essential in such a situation. We will show you how to run an accurate “iPhone diagnostic test” in this in-depth blog article.


Why Should You Run Diagnostics on Your iPhone 12?

Before getting into the specifics of how to run diagnostics on iPhone 12, it is vital to recognize its significance. If you have problems with your iPhone 12, a mobile diagnostics solution like the built-in tests will help you determine what is wrong. These faults may originate in the device’s hardware, such as a weak battery or faulty sensors, or the operating system, such as inoperable software or slow performance. You can fix an issue more permanently if you know what caused it in the first place.

Starting with the Basics: How to run diagnostics on iPhone 12

You can put your iPhone 12 through its paces in a matter of minutes by simply performing a diagnostic test. Technical expertise is optional. Learn the fundamentals of how to run diagnostics on iPhone 12 with this short instruction.

  1. Open the ‘Settings’ app on your iPhone.
  2. Scroll down and tap on ‘Privacy.’
  3. Then tap on ‘Analytics and Improvements.’
  4. Finally, tap on ‘Data types’ under ‘Analytics Data.’

When you do this, your iPhone’s diagnostic and use information will be shown in a detailed list. Logs, in their most basic form, are something your iPhone keeps on its own. They hold critical data on the system’s operation and any problems that may have emerged.

Delving Deeper: How to run diagnostics on iPhone 12 with the Apple Support App

Apple offers a Support App that doubles as a custom “mobile diagnostics solution” for a deeper dive into questions like how to run diagnostics on iPhone 12. This software walks through an extensive diagnostic procedure. Here is how to put it to use:

  1. Download and install the Apple Support App from the App Store.
  2. Open the app and tap on ‘Get Support’ at the bottom.
  3. Select ‘iPhone’, then choose your model, which is iPhone 12 in this case.
  4. Scroll down and select ‘Battery, Power and Charging’ or ‘System Performance’, depending on your issue.
  5. Then tap on ‘Run Diagnostics’.

Depending on the nature of the problem, the app will send the findings to Apple or show them to you immediately.

What to Do After Running an iPhone diagnostics test?

After figuring out how to run diagnostics on iPhone 12, the next step is doing something with the results. If the troubleshooter identifies a problem, you should contact Apple immediately. If you need help deciding between a software update, a factory reset, or a hardware repair, they can give you their professional opinion on the matter.

Get Our Newsletter

Enter Your Email


Exploring Other Diagnostic Tools

Information on how to run diagnostics on iPhone 12 may be found in third-party apps and Apple’s official support materials. Check the battery life, screen responsiveness, audio quality, and more on your mobile device using an application like Phone Doctor Plus or TestM.
Troubleshooting Issues for iPhone 12
When encountering common issues with your iPhone 12, you can follow these troubleshooting tips to resolve them effectively:

Battery Drain:

  • Check for power-hungry apps running in the background and force-close them.
  • Adjust screen brightness or enable Auto-Brightness to conserve battery life.
  • Disable unnecessary location services and background app refresh.

App Crashes:

  • Update the problematic app to the latest version available.
  • Restart your iPhone 12 to clear temporary glitches.
  • Uninstall and reinstall the app if the issue persists.

Connectivity Problems:

  • Toggle Wi-Fi off and on for Wi-Fi issues, or forget and reconnect to the network.
  • Ensure Bluetooth is enabled and try disconnecting and reconnecting devices.
  • Reset network settings if you’re experiencing persistent connection problems.

Slow Performance:

  • Close unused apps running in the background to free up system resources.
  • Clear cache and temporary files to optimize storage and performance.
  • Restart your iPhone 13 periodically to refresh system processes.

Unresponsive Touchscreen:

  • Clean the screen and ensure your fingers are clean and dry.
  • If unresponsive in a specific area, restart your device or perform a force restart.
  • Update to the latest iOS version, as Apple often includes touchscreen improvements.


  • Remove any protective cases temporarily to allow better heat dissipation.
  • Avoid exposing your iPhone 13 to direct sunlight or extreme temperatures.
  • Close resource-intensive apps or processes that may be causing excessive heat.

If these troubleshooting tips don’t resolve the issues or you are unsure about the cause, running diagnostics on your iPhone 13 or seeking assistance from Apple Support for further guidance is advisable.

About Rendream

Rendream is a hub of professionals who run diagnostics in iPhone 12 for individuals and also for companies. The best thing about Rendream’s solution is that with the one-time purchase, you can use their solution for a lifetime for your employees and business purposes. With Rendream’s mobile diagnostic solution, running this diagnostic on iPhone 12 will take little time. Hence, Rendream is the best option if you need a solution for one or multiple devices.

Conclusion: The Power of Diagnostics

Knowing how to run diagnostics on iPhone 12 is valuable for every iPhone user. It gives you the tools to identify and fix problems so your iPhone 12 keeps running smoothly all the time. When an issue is spotted early on, it may be resolved quickly. This ensures that your iPhone continues functioning at its highest level and that your connection to the outside world is never disrupted. In today’s technological age, we must know how to effectively conduct diagnostic checks on our gadgets to ensure they function at peak performance.



Diagnostics may better pinpoint the iPhone 12’s possible hardware or software faults. This method may diagnose issues with the battery, sensors, and app.


Navigate to “Privacy,” “Analytics and Improvements,” and “Data types” to initiate a diagnostic check. After selecting your iPhone model, you might also utilize the Apple Support app and tap the ‘Run Diagnostics’ button.


The diagnostic test reveals your iPhone’s system performance and any problems. If there is a problem, you may check the logs for details on the application’s performance, the battery’s health, and other system activities.


Diagnostics on iPhone 12 are easy to execute because of Apple’s well-designed user interface. Apps developed by third parties that provide detailed instructions are also an option.


If the troubleshooting procedure reveals a problem, contact Apple Support. They may advise whether a software update, a factory reset, or a service is required for the faulty hardware.


It is safe to conduct diagnostics. It will not change any of your preferences or information. It does a quick check of your phone’s software and hardware to see if there are any problems.


Phone Doctor Plus and TestM are two examples of third-party applications that may help you diagnose and fix your mobile device.


Even with thorough diagnostics, specific problems may slip through the cracks. They excel in spotting typical problems with both software and hardware. Complex issues may need contacting Apple’s technical support team.


The diagnostic information is purely technical details concerning the system’s operation and includes no personally identifiable details. You can send this information to Apple so they can enhance their goods.


There is no one accurate method. If your iPhone 12 functions normally, checking its status too often is unnecessary. However, a diagnostic test should be performed if you observe any problems or a decrease in performance.

Latest BLOGS

The Art of Startup Due Diligence – Road-map to Success

“Book local doctors who take your insurance,” with this app concept, ZocDoc – a leading doctor appointment app in...

Beantsingh Duggal in Mobile

Aug 22 · 13 min read

Navigating the Labyrinth: How to Value a Startup

Pratik Patel in Mobile

Aug 16 · 9 min read

Scaling Up: Staff Augmentation vs Outsourcing Decoded

Beantsingh Duggal in Mobile

Aug 7 · 10 min read

10 Market Research Tools for Startups

Archit Patel in Web

Aug 1 · 15 min read

How to Start a Tech Startup?

Vivek Zala in Mobile

Jul 27 · 13 min read