Place the extracted .bin or .img file directly in the root directory (don't put it in a folder). Boot into Recovery: Unplug the power cord. Insert the USB. Hold the Power button on the device (not the remote).
Plug the power back in while holding the button until the "Software Updating" screen appears. To give you more specific help, could you tell me: Download TECHNOSTAR RIO SMART rar
What are you trying to fix (e.g., stuck on logo, black screen)? Place the extracted
Technostar is a brand often associated with regional retailers (like Sharaf DG or European distributors). Hold the Power button on the device (not the remote)
Once you find the file, you'll need to prepare it for the device:
If you are looking for TV firmware, don't just search the model name. Open the back of the device and look for the Main Board Number (e.g., TP.MS338.PB801). Searching for this number + "firmware" is much more reliable than searching "Technostar Rio."
If you are writing a guide on how to use the download, follow these standard steps: