Perform a from the settings menu to clear any cached data.

The should start blinking rapidly, indicating the update has started. Wait until the process reaches 100% or the blinking stops. ⚠️ Important Precautions

Used for general software upgrades or fixing soft-bricked TVs where the bootloader is still functional. The file is usually named install.img .

While holding the button, plug the TV back into the power outlet.

If the new version introduces critical bugs, you can downgrade—but only if the manufacturer allows it. Use the same procedure but with an older .bin file. Note that some devices have anti-rollback protection (a one-way fuse). Always check the release notes.

Firmware for these boards is usually categorized by the method of installation:

(Huawei, ZTE, FiberHome, etc.)