Help Center

Step-by-step setup guides, connection troubleshooting, and answers to the most common MirrorCast questions.

Step-by-Step Guide

How to Set Up MirrorCast

Choose your device and connection type below.

Connect to the same network

Make sure your Android phone and laptop are connected to the same Wi-Fi network. MirrorCast uses local network discovery to find your device automatically.

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Hotspot networks work too β€” connect your laptop to your phone's hotspot.

Open MirrorCast on your laptop

Go to the Dashboard and click "Connect Device." MirrorCast will scan for devices on your local network and display available phones.

Scan the QR code or enter the PIN

On your phone, open a browser and navigate to the URL shown on screen. Tap "Pair via QR" and scan, or enter the 6-digit PIN manually.

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The PIN expires after 90 seconds for security.

Confirm the session on your phone

A session confirmation dialog will appear on your phone. Tap "Start Mirroring" to begin. The stream starts within 2 seconds.

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Frequently Asked Questions

Common Questions

14 questions across connection, performance, security, and features.

Both devices must be on the same network subnet. If you're using a corporate or university Wi-Fi, the network may block device discovery. Try using your phone as a hotspot and connecting your laptop to it, then use Wi-Fi mode.

Troubleshooting

Common Errors & Fixes

Quick reference for the most frequent connection and streaming issues. Each card includes the exact error code and step-by-step resolution.

ERR_DISCOVERY_TIMEOUT

Device Not Found on Wi-Fi

  1. 1Confirm both devices are on the same subnet
  2. 2Disable firewall rules blocking UDP port 5353
  3. 3Try forgetting and rejoining the Wi-Fi network
  4. 4Use USB mode as an alternative
ERR_USB_DEVICE_NOT_FOUND

USB Device Not Recognized

  1. 1Enable USB Debugging in Developer Options
  2. 2Tap "Allow" on the USB debugging prompt
  3. 3Try a different USB cable or port
  4. 4Install Google USB Driver (Windows only)
STREAM_QUALITY_DEGRADED

High Latency / Choppy Video

  1. 1Lower resolution to 720p in settings
  2. 2Move phone closer to Wi-Fi router
  3. 3Close background apps on your phone
  4. 4Switch to USB for <20ms latency
ERR_BT_PAIR_REJECTED

Bluetooth Pairing Failed

  1. 1Remove existing pairing from both devices
  2. 2Ensure Bluetooth is discoverable on phone
  3. 3Keep devices within 1 meter during pairing
  4. 4Restart Bluetooth on both devices
STREAM_STALL_DETECTED

Stream Freezes Mid-Session

  1. 1Check signal quality in the Dashboard
  2. 2Tap "Reconnect" in the floating toolbar
  3. 3Disable battery saver mode on your phone
  4. 4Check if another app is using the camera
SESSION_CONFIRM_TIMEOUT

Session Confirmation Not Appearing

  1. 1Check that notifications are enabled for the app
  2. 2Wake your phone screen and check for the dialog
  3. 3Re-scan the QR code or re-enter the PIN
  4. 4Restart the MirrorCast companion app