Since these are generic units, you won't find updates through a standard manufacturer website. Instead, you must rely on developer repositories and community forums:
The is a specialized system software designed for specific "No Name" or generic Chinese Android 2DIN head units. Often marketed as having Android 10.1, these units typically run on a real Android 8.1 Oreo base and utilize the AC8227L chipset. Updating or repairing this firmware can resolve critical issues like boot loops, system freezing, or "Fake" hardware reporting. Core Hardware Specifications yt9260ver11 firmware
How to revive your Chinese Android Head Unit - Test Point method Since these are generic units, you won't find