A common repository for Indian TV brands. Search for the model "LEO49HG."
Since Onida does not host a public firmware archive, you must rely on technician forums and firmware repositories. Look for files named allupgrade_msd338_4G_1G.bin or similar:
Open the back of the TV and verify the board number (e.g., TP.MS338.PB801 ). Searching by this number is much safer than searching by the model name. Download ONIDA LEO49HG Firmware USB rar
Press and hold the Power Button on the TV cabinet (not the remote) and plug the TV into the wall.
Frequently hosts USB-upgradable dump files for MSD338 chipsets (used in this model). Soft4Led: A global database for LED TV firmware. 🛠️ USB Installation Steps A common repository for Indian TV brands
Using firmware for the wrong screen panel can result in a "Mirror Image" (upside down) or "Negative Colors."
Once you find the .rar or .zip file, follow these steps to flash the TV: Unzip the folder and find the .bin file. Searching by this number is much safer than
Turn off the TV and plug the USB into the USB 2.0 port .