CVTE MSD338 is a common generic smart TV motherboard used by various manufacturers. Updating the firmware (often a file named all_upgrade_msd338_512m_sos.bin
Once the update is complete, the TV will usually restart automatically. You may need to access the to reset the "Shop" or "System" settings to ensure a clean installation. The factory service code for many CVTE boards is often Menu + 1147 . Where to Find Firmware Finding the exact firmware for a CVTE MSD338-512M Cvte-msd338-512m Smart Tv Update UPD
If an update is found, follow the on-screen prompts to download and install it. CVTE MSD338 is a common generic smart TV
You cannot upgrade the RAM (it is integrated). You must find a firmware specifically tagged MSD338_512MB_DDR3_16bit or similar. Look for firmware from 2018-2020. Newer builds ignore you. "Upgrade File Mismatch" or "File Error": The fix:
The MSD338 chipset with 512MB of RAM was obsolete in 2018. No firmware update can add more RAM or improve the GPU. Even after a successful update, expect sluggish menu navigation.