unknown accessory detected message on iphone
unknown accessory detected message on iphone

unknown accessory detected message on iphone

How to Fix the "Unknown Accessory Detected" Message on iPhone

If you’ve ever plugged a cable into your iPhone and been greeted with the dreaded "Unknown Accessory Detected" message, you know how frustrating it can be. This error can prevent you from charging your phone, syncing data, or using other accessories. However, there are a few simple steps you can take to fix the problem.

In this comprehensive guide, we’ll explore the various causes of the "Unknown Accessory Detected" message on iPhone and provide detailed solutions to help you resolve the issue effectively. Whether you’re facing this problem with a Lightning cable, a USB-C cable, or a wireless charger, we’ve got you covered.

Causes of the "Unknown Accessory Detected" Message

The "Unknown Accessory Detected" message can be caused by several factors:

Physical Damage

  • Damaged or frayed cables
  • Loose connections between the cable and the phone or accessory
  • Dirt or debris in the Lightning or USB-C port

Software Issues

  • Outdated iOS software
  • Corrupted system files or settings
  • Conflicting apps or plug-ins

Hardware Issues

  • Faulty Lightning or USB-C port on the iPhone
  • Problems with the charging circuit or battery

Troubleshooting the "Unknown Accessory Detected" Message

1. Check the Cable and Connection

  • Try using a different cable, if possible.
  • Ensure the cable is securely plugged into both the iPhone and the accessory.
  • Clean the Lightning or USB-C port on the iPhone using a soft brush or compressed air.

2. Restart the iPhone

  • Restarting the iPhone can often resolve minor software glitches that may be causing the error.
  • To restart your iPhone, press and hold the Sleep/Wake button and the Volume Down button simultaneously until the Apple logo appears.

3. Update iOS Software

  • Ensure your iPhone is running the latest version of iOS software.
  • Go to Settings > General > Software Update to check for updates.

4. Reset Network Settings

  • If the error persists after updating iOS, try resetting your network settings.
  • Go to Settings > General > Reset > Reset Network Settings.

5. Inspect the iPhone Port

  • Use a magnifying glass to carefully examine the Lightning or USB-C port for any visible damage or debris.
  • If you find any damage, contact Apple Support or an authorized repair center.

6. Contact Apple Support

  • If the above steps don’t resolve the issue, contact Apple Support or visit an Apple Store for further assistance.
  • They may diagnose the problem more accurately and provide a professional solution.

Troubleshooting Table for "Unknown Accessory Detected" Message

Solution Possible Cause Instructions
Inspect cable and connection Damaged cable, loose connection, dirt in port Check cable and connectors, clean port
Restart iPhone Minor software glitch Hold Sleep/Wake and Volume Down buttons simultaneously
Update iOS software Outdated software Go to Settings > General > Software Update
Reset network settings Conflicting network settings Go to Settings > General > Reset > Reset Network Settings
Inspect iPhone port Damaged port Use magnifying glass to check for damage or debris
Contact Apple Support Hardware issue or complex software problem Get professional diagnosis and repair


Experiencing the "Unknown Accessory Detected" message on iPhone can be a frustrating issue, but it doesn’t have to be a major inconvenience. By following the troubleshooting steps outlined in this guide, you can effectively resolve the problem and restore the functionality of your iPhone. Remember, it’s always best to start with simple solutions and gradually move on to more complex ones if necessary. With a little patience and attention to detail, you can quickly get your iPhone working properly again.

FAQ about "Unknown Accessory Detected" Message on iPhone

What does the "Unknown Accessory Detected" message mean?

Answer: This message appears when your iPhone detects a connected accessory that it cannot recognize.

Why is my iPhone giving me this message?

Answer: It can be caused by faulty hardware, incompatible accessories, or software issues.

What should I do if I see this message?

Answer: Disconnect the accessory and try the following:

  • Check for dirt or debris in the charging port.
  • Try using a different cable or charger.
  • Restart your iPhone.

Can I use the accessory if it’s detected as unknown?

Answer: It’s not recommended to use an unknown accessory, as it may damage your phone or cause other issues.

How do I fix a faulty accessory?

Answer: You may need to replace the accessory or contact the manufacturer for assistance.

Why is my iPhone not recognizing my original Apple accessory?

Answer: This could be due to a software glitch or hardware failure. Try resetting your iPhone and cleaning the accessory’s connector.

What if restarting my iPhone doesn’t work?

Answer: Contact Apple Support or visit an authorized repair center for further diagnosis and assistance.

Can I bypass the "Unknown Accessory Detected" message?

Answer: No, it’s not advised to bypass this message as it can lead to safety hazards or device damage.

How can I prevent this message from appearing again?

Answer: Use only certified accessories and make sure your iPhone’s software is up to date.

Is this message a security concern?

Answer: In most cases, it’s not a security concern. However, it’s always a good practice to be cautious and avoid using unknown accessories.