If the picture is upside down after flashing, enter the Factory Menu (usually Input + 208 or Menu + 1147 ) and toggle the Mirror setting.
Often available on technician Telegram channels and firmware repositories . ⚙️ Installation Guide Format USB: Use a FAT32 formatted USB drive. Extract File: Unrar the downloaded archive. Download V53 753A 1366x768 SamsungIR rar
Never turn off the power during the flashing process. If the picture is upside down after flashing,
Once the flashing stops, power off, remove the USB, and restart. ⚠️ Important Safety Tips remove the USB