Before downloading, ensure your hardware matches these standard configurations: Android 9.0. Processor: 4-core Cortex-A53 (1GHz).
Since this is a universal board manufactured by various Chinese suppliers, software is typically distributed through technical forums and hardware repositories. Common sources for the firmware include: kk.m368.818 software download
Offers specific ZIP files such as the N.M368.818 Samsung Panel build for 1366x768 resolutions. kk.m368.818 software download
A well-known resource for free downloads of various resolution-specific N.M368.818 firmware . kk.m368.818 software download
Features include built-in WiFi, LAN, 2x HDMI, and 2x USB ports. Where to Download KK.M368.818 Software
Provides premium or specific Android 9.0 builds for these boards. Installation Guide (Step-by-Step) N.M368.818 Firmware: What You Need to Know ... - AliExpress