He unplugged.
: Users frequently report issues with the app failing to detect phones. Common fixes include performing a factory reset of the head unit or switching from a wireless connection to a high-quality USB cable. Uninstallation Risk
| Problem | Likely Fix | |---------|-------------| | | Check Siri is ON. Forget head unit from iPhone Bluetooth, re-pair. | | Android Auto keeps disconnecting | Use a high-quality USB cable (data sync capable). Disable battery optimization for Android Auto. | | Black screen after connecting | Restart head unit. Check if ZLink is set as default projection app. | | No sound / low volume | On iPhone: Disable Bluetooth call audio routing. On Android: Check "Use USB for audio" in developer options. | | Screen not responsive | Clear ZLink cache (Settings > Apps > ZLink > Storage > Clear Cache). |
| Feature | ZLink 3.9.27 | EasyConnection | Native Android Auto | | :--- | :--- | :--- | :--- | | Wireless CarPlay | Yes | Rarely | N/A (Requires AA Wireless) | | Video Streaming (YouTube) | Excellent | Poor (Low FPS) | Blocked by Google | | GPS Signal | Uses Phone GPS | Uses Head Unit GPS | Uses Phone GPS | | CPU Usage | Low | Moderate | High |
While newer versions have added refined "Driving Modes" and better support for wireless mirroring, version 3.9.27 is often remembered for its stability on older hardware architectures, such as the T5 or YT5760B systems found on sites like Amazon .
ZLink 3.9.27 is outdated. Newer versions (4.x, 5.x) offer better stability, dark mode sync, and support for iOS 17/18 or Android 14/15.