The was CVTE’s (or community-reverse-engineered) answer to these problems.
The proves that even budget hardware can be improved with community-driven firmware. While CVTE itself has moved on to MSD368 and 4K-capable chips, the MSD338 remains a favorite for DIY arcade cabinets and bedroom TVs.
OEMs distributed the update as a (typically 256–384 MB). The flashing process via UART or USB follows this partition map: cvte msd338 512m update 2021
Use a 4GB or 8GB USB 2.0 drive formatted to FAT32. High-capacity USB 3.0 drives often fail to be recognized in boot mode. Step-by-Step Installation Guide
: The 2021 software updates aimed to streamline the operating system (typically Android 4.4 or 6.0) to keep legacy apps like YouTube and Netflix functional despite limited resources. JustAnswer The Importance of the 2021 Update OEMs distributed the update as a (typically 256–384 MB)
You cannot update the MSD338 via USB flash drive like a smart TV. It requires a USB-to-TTL serial programmer (also called a CH340G or PL2303).
Q: Is the CVTE MSD338 512M update 2021 free? A: Please contact CVTE or an authorized distributor for information on the update's pricing and availability. Step-by-Step Installation Guide : The 2021 software updates
Many boards suffered from "stuck on logo" issues due to corrupted eMMC sectors.