(often a Chinese-manufactured or "universal" car stereo) powered by a UNISOC (formerly Spreadtrum) (UIS7862) octa-core processor Update Methods There are two primary ways to update these systems: Wireless (OTA) Update: Connect the head unit to a stable Wi-Fi network or phone hotspot. Navigate to Settings > System > System Upgrade Online Upgrade Detection Update to check for and download new versions. Once downloaded, tap Update Now ; the system will reboot and install. USB Flash Drive Update: a USB drive (less than 32GB) to Download and Unzip
The Topway TS10/TS18 General Discussion on 4PDA includes "Force Update" videos and step-by-step instructions for recovery. ums512-1h10-natv firmware update
Updating or modifying these units often requires access to restricted factory menus: USB Flash Drive Update: a USB drive (less
: Go to Settings > System > System Upgrade and select the USB option. The device will reboot and install the new software. tap Update Now