![]() epk format, but liberated with an open-source tool. found the WebOS firmware for the TV online, encrypted and compressed into a proprietary LG. A few service manuals hinted that there’s a service mode you could access with an adapter made out of two back-to-back PL2303 USB-UART adapters – a few female-female jumper wires later, serial prompt greeted our hacker, and entering ‘debug’ into the prompt responded with some text, among it, “Access USB is NOT opened!!!”. ![]() They noticed an “Access USB Status” entry and thought the “Access USB” part looked peculiar. In other words, a fairly regular evening. One boring evening, was looking through service menus on their LG Smart TV (Russian, Google Translate), such menus accessible through use of undocumented IR remote codes.
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