Arlo Camera Error Code 4: How to Fix It

Easy 10-20 minutes Medium Severity Verified June 2026
Error Code
4
Brand
Arlo
Product Type
camera
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
10-20 minutes
Error Code 4 on your Arlo Camera means a firmware update has failed. This can happen due to network issues, power interruptions, or corrupted update files. Follow the steps below to resolve the issue and get your camera working again.
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Tools You'll Need

How to Fix Error Code 4

  1. Restart Your Arlo Camera

    Ensure your hands are dry when handling batteries.
  2. Check Your Wi-Fi Connection

  3. Update Firmware Manually via the Arlo App

    Do not close the app during the update.
  4. Sync Your Camera Again

  5. Reset Your Arlo Camera to Factory Defaults

    This will erase all custom settings.
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When to Call a Professional

If error 4 persists after a factory reset and you've confirmed your Wi-Fi is working, contact Arlo Support. There may be a hardware issue with the camera's memory or network chip that requires replacement.

Frequently Asked Questions

What does Error Code 4 mean on my Arlo Camera?
Error Code 4 indicates that a firmware update has failed. This is usually due to a weak Wi-Fi signal, power interruption during the update, or a corrupted update file.
Will I lose my recordings if I reset my Arlo Camera?
A factory reset will erase your camera settings but recordings stored in the cloud or on your base station's USB (if applicable) will remain. Local recordings on the camera are deleted.
How often does Arlo push firmware updates?
Arlo releases firmware updates periodically to improve security and add features. You can check for updates manually in the app under Settings > My Devices > your camera > Firmware Update.
Can I fix Error Code 4 without the app?
The firmware update process requires the app. However, you can restart the camera and router to resolve temporary issues that cause the error.
Is Error Code 4 covered under warranty?
If your Arlo camera is still under warranty and the error persists after troubleshooting, contact Arlo Support for a replacement.