Typically used to fix "stuck on logo" boot loops or to re-flash a corrupted system.
The is powered by the MStar MSD6A358ATH chipset. The firmware file you are looking for is specifically configured for: Resolution: 1366 x 768 (HD Ready). Memory: 512MB DDR RAM and 4GB eMMC storage. OS: Android 4.4 KitKat. Refresh Rate: 60Hz (indicated by "REF60" in your query). Key Features
Supports various global analog and digital TV systems (PAL/NTSC/SECAM). Download MS358 PB801 1366x768 512M REF60 part4 rar
The file name you mentioned ( part4.rar ) indicates that the full firmware is a large multi-part archive that must be fully downloaded and extracted before use.
Built-in WiFi and quad-core CPU enable basic smart TV apps like YouTube. Firmware Installation & Usage Typically used to fix "stuck on logo" boot
If the TV does not boot, the firmware can sometimes be force-installed by holding the power button while plugging in the AC cord with the USB drive inserted.
You can find further technical details or hardware replacements on AliExpress or Alibaba . Memory: 512MB DDR RAM and 4GB eMMC storage
Usually performed via a USB drive. The board's Service Menu can be accessed using the remote code Menu + 1147 .