How to Check Diagnostics On iPhone

There are a number of reasons why an iPhone could be exhibiting issues. The battery could be older or simply near the end of its life. The phone could be infected with malware or a virus. Some apps could have glitches that impact the phone’s processes. The iPhone might be working but it’s loading slowly and/or running hotter than normal.

In this article, we will explore as to how to run diagnostics on your iPhone.

Two Ways to Diagnose iPhone

• Using Built-in iPhone Features: While there isn’t a dedicated diagnostics app pre-installed, Apple offers some built-in features in iPhone that can provide valuable insights.

• Third-Party Diagnostic Apps: iPhone can be used using various third party apps

iPhone Diagnostic Tests Using Built-in Features

There are a few ways to collect valuable diagnostic information about your iPhone. Here are the main methods:

Running a Basic Battery Health Check

Your iPhone can provide basic information about your battery health. This can be helpful in identifying potential battery issues that might be causing sluggish device performance or shorter battery life.

• Go to  Settings > Battery.

• Under Battery Health, you’ll see the Maximum Capacity of your battery. A percentage lower than 80% might indicate potential battery degradation.

• Tap on Battery Health for additional insights about your battery’s ability to deliver peak performance and can recommend if service is needed.

Monitoring Performance with Activity Monitor

iOS offers some tools to monitor your iPhone’s performance. This can help you identify potential performance bottlenecks or resource-intensive apps.

• Go to Settings > Privacy > Analytics & Improvements.

• Tap on Share iPhone Analytics.

• Open the Settings app again and go to Battery.

• The Battery Level graph at the top displays a breakdown of battery usage by app in the last 24 hours or 10 days. You can detect apps that are consuming a significant amount of battery life.

Running Apple Support Diagnostics (iOS 17 and Above)

A new feature introduced in iOS 17 allows more comprehensive iPhone diagnostic test with Apple Support. This requires connecting your iPhone to a computer and following Apple’s guided process.

• Make sure your iPhone is connected to Wi-Fi and has sufficient battery life.

• On your computer, click on here

• Enter your iPhone’s serial number (found in Settings > General > About).

• You’ll receive a six-digit code on your iPhone. Enter this code on your computer.

• Select iPhone from the list of devices and choose the type of diagnostic test you want to run (e.g., Mobile Resource Inspector, Audio Output).

• Follow the on-screen instructions to complete the diagnostic test. The results will be displayed on your computer screen.

Important Note: This feature is currently available only on devices running iOS 17 or later

Third-Party Diagnostic Apps

• Hardware Diagnostics: These apps can test various hardware components like the display, touch screen, speakers, microphone, and camera.

• Software Diagnostics: These apps can scan for software glitch, memory leaks, or corrupted files. They may even offer suggestions for optimizing your iPhone’s performance.

In April 2022, Apple introduced a new method of iPhone self-service repair called Diagnostics Mode which is a potent tool to repair stores for fixing iOS issues. Users can enhance their device’s efficiency and fix problems with the mode’s monitoring checks and findings. The phone’s sensors, battery life, wireless and Wi-Fi networks, and more can be checked in diagnostic mode. 

One of the many advantages of diagnostic mode is its capacity to reveal hardware failures. Users can check the health of the parts, from the camera to the microphone to the speaker, to figure out if anything needs to be fixed or changed. 

Users can evaluate the software as well as the hardware and can run a RAM and CPU test on their device to find out which applications are causing lag or crashes. Also, it allows users to detect and remove any bugs or adware that may be present on their devices.

Also Read: Top Power Banks For Traveling: Keep Your Gear Charged

How to put your iPhone in diagnostics mode

1. Turn off your iPhone: Press and hold either volume button and the side button until the power-off slider appears. Then drag the slider and wait 30 seconds for your device to turn off.

1. Press and hold both the volume up and volume down buttons.
2. While holding down the buttons, plug the iPhone into a power adapter (ideally 18W or higher) or a computer that’s both turned on and connected to power.
3. When the Apple logo appears, release the buttons.
4. When a message appears saying “Diagnostics allow Apple to identify potential hardware and software issues with this device,” tap Start Session.