Apple Diagnostics on iPhone: Performing a Step‑by‑Step Hardware Test
16-02-2026 • Lästid: 1 min
Apple Diagnostics is een officiële Apple-functie waarmee technici de hardware van een iPhone kunnen testen. In deze blog leggen we stapsgewijs uit hoe je de diagnostische modus activeert en de tests uitvoert. Voor uitgebreide achtergrondinformatie over de voordelen en waarom technici deze tool gebruiken, verwijzen we naar onze andere blog: The Importance of Apple Diagnostics for iPhone Technicians.
1. Preparation
- Make sure your iPhone is not running a beta version of iOS.
- Update to the public version if necessary.
- Ensure the battery is charged to at least 25%.
- Turn off the iPhone: Press and hold both the Volume Up and Volume Down buttons simultaneously. Slide to “Power Off.”
2. Activate Diagnostic Mode
- Press and hold both the Volume Up and Volume Down buttons simultaneously.
- While holding these buttons, connect the charger.
- Do not press the Power button.
- Turn off the iPhone: Release the buttons as soon as the Apple logo appears.
3. Connect and Set Up
- Disconnect the charger.
- Tap “Continue.”
- Connect to a Wi-Fi network.
- Wait for a connection with Apple Support.
- Tap “Agree” (if prompted).
4. Run Diagnostic Tests
- Tap “Run Diagnostics.”
- Follow the on-screen instructions.
- Review the results carefully.
5. Exit Diagnostic Mode
- Tap “Exit Diagnostics.
- The iPhone will restart automatically.
- Enter your passcode.
Additional Tips for Technicians
- Use a stable Wi-Fi connection.
- Do not press any extra buttons.
- Wait patiently during startup.
- Take screenshots of the results for customer records.
- Always test after a repair.
- Make sure the battery is above 25% before starting.
Conclusion
Follow these steps carefully to perform Apple Diagnostics on iPhones from the iPhone 12 and newer. For more background information on the benefits, display checks, and transparency toward customers, please refer to our other blog: The Importance of Apple Diagnostics for iPhone Technicians.
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SV
