These files are typically installed using an Amlogic USB Burning Tool or directly via a USB drive for system updates.
Technicians use this software to fix "logo hang" issues (where the TV gets stuck on the startup screen), standby problems, or to adjust panel resolution settings. Download ATM30 PB801 1366X768 REF43 part3 rar
For those who have already updated but need to fix display issues like an inverted image, the service menu is often accessible via the code Menu + 1147 . These files are typically installed using an Amlogic