Depending on whether your TV is a standard LED or a Smart/Android model, use one of the following methods: Turn off the TV and put it into standby mode .
Press and hold the on the TV’s physical keyboard (not the remote) for 5 to 7 seconds. Download ONIDA LEO22FR Firmware USB rar
: The screen may remain black during the process. Do not unplug the TV or remove the drive until it restarts automatically (usually 3–7 minutes). Method B: Menu Update (For Functional Smart TVs) Turn on the TV and insert the USB drive. Navigate to Settings > Device Preferences > About . Select System Update or Software Upgrade . Depending on whether your TV is a standard
: Use a USB flash drive with at least 1GB of space. It must be formatted to FAT32 to be recognized by the TV's hardware. Do not unplug the TV or remove the
Release the button once the front , indicating the upgrade has started.