The MSD338 series is produced by CVTE (Guangzhou Shirui Electronics) and is found in various "assembled" or budget smart TV brands. 512MB

CVTE allows users to download firmware via a QR code scan if the TV supports it.

Android (often older versions such as Android 4.4 KitKat)

Use this method if the online update fails or if you have a specific firmware file (usually named ctv.upgrade.bin ).

Depending on the current state of your operating system, choose the update method that best fits your technical scenario. Update Feature Over-The-Air (OTA) Update USB Manual Binary Flash Operational UI & Wi-Fi connection. Complete brick, boot-loop, or dead OS. Data Preservation Retains user settings and downloaded apps. Wipes all user storage to factory defaults. Trigger Mechanism Initiated via the Android System Settings menu.