If your TV is connected to the internet, follow these steps to check for official OTA (Over-The-Air) updates:
: Press the Home button on your remote and select the Settings (gear) icon.
: It is safest to use official support channels. You can look for "ONIDA stock firmware" or "flash files" on specialized electronics support platforms. Download ONIDA LEO50FIAB2 Software part1 rar
: Scroll down to select Device Preferences . Check for Updates : Select About , then System Update .
: If an update is available, follow the on-screen prompts to download and install it. The TV will restart automatically once finished. Method 2: Manual USB Update If your TV is connected to the internet,
: Once you have the software, extract the files and copy them to the root directory of a FAT32 formatted USB drive.
To update the software for your TV, you can typically use the built-in system update feature or a manual USB installation if the TV is unresponsive. Method 1: System Settings Update (Recommended) : Scroll down to select Device Preferences
Do not turn off your TV or disconnect power during a firmware update, as this can cause permanent hardware damage. How to perform a software update on your TV | Sony USA