You can find these firmware files on specialized electronics repair forums and websites:
The file refers to a specific firmware part for the CV358H-A50 Download CV358H A50 1920x1080 CONIC part10 rar
Firmware updates for these boards are often distributed as multi-part RAR archives due to their large size (several gigabytes). You can find these firmware files on specialized
: Often runs on Android 8.0, featuring built-in Wi-Fi, 1GB RAM, and 8GB storage. featuring built-in Wi-Fi