The Zlink or CarLink apps used for phone mirroring are notoriously finicky. Firmware updates often include newer drivers for the Wi-Fi/Bluetooth chip, leading to and significantly less lag when using Wireless Android Auto or CarPlay. How to Find "Better" Firmware
You can run a navigation map and a media player side-by-side without system slowdowns. uis7862 firmware better
Upgrading from factory firmware to a more stable or modded version provides several advantages: The Zlink or CarLink apps used for phone
: Manufacturer menus (for changing boot logos or CANbus settings) often require codes. Common ones for UIS7862 units include uis7862 firmware better