How to Fix 3uTools Window Being Cut Off on Windows

Fix the issue where the 3uTools window is cut off by adjusting your display scaling settings.

Solution for Apple Mobile Device Service

Solution for Apple Mobile Device Service Repair Failure

Android Device Connects Normally but Cannot Mirror the Screen

Android device connects normally but cannot mirror the screen?

“Failed to Initialize Device” When Using Wired Screen Mirroring

If you see the error “Failed to initialize device” during wired screen mirroring, try the following solutions step by step.

Casting Driver Error in TikTok LIVE Studio When Using 3uAirPlayer? Complete Fix Guide

Learn how to fix the casting driver error when using 3uAirPlayer with streaming software.

iPhone or iPad Can Find 3uAirPlayer but Cannot Connect

If your iPhone or iPad can detect 3uAirPlayer but fails to connect, the issue is often caused by the device being connected to a modem-router combo provided by the ISP.

Cannot Find 3uAirPlayer on Your Phone or Tablet?

If your phone or tablet cannot detect 3uAirPlayer, try the following solutions.

Streaming Software Cannot Detect the 3uAirPlayer Virtual Camera? Full Fix Guide

Streaming Software Can’t Find the 3uAirPlayer Virtual Camera? Here’s the Complete Fix.

“Trusted Account” Feature in 3uAirPlayer: Privacy and Security Explained

Within the 3uAirPlayer privacy and security system, the “Trusted Account” feature is a key design that balances screen mirroring security with ease of use.

Beginner Quick Guide: Using 3uAirPlayer (PC → PC / Android Screen Mirroring)

This tool offers excellent compatibility, allowing Android phones and Windows PCs to connect freely. Whether you're in an offline environment, a weak network office, or on the move, you can still achieve stable screen mirroring.

Beginner Quick Guide: Streaming with the 3uAirPlayer Virtual Camera

It converts your mirrored screen into a camera signal, allowing livestream tools like Douyin Live Companion or OBS to use it just like a normal webcam. No complicated configuration is required—you can set everything up in about 5 minutes.

No Portrait Effects on the Camera in LIVE Studio? Fix It in 2 Steps

No portrait effects on the camera in LIVE Studio?