Unlike the proprietary Roku voice remote, universal remotes require a specific 3, 4, or 5-digit numerical code to pair with the TV’s infrared (IR) receiver.
Traditional TV brands (Samsung, LG, Vizio, etc.) rely on infrared (IR) remote codes. A universal remote asks for a numeric code to match the TV brand and model. codes for roku tv
The neighborhood kids soon started calling him "The Decoder." When young Timmy’s screen froze, Leo didn't panic. He performed the sequence— Home five times, Up, Rewind twice, Fast Forward twice —and the TV breathed back to life. When the Henderson family bought a new universal remote, it was Leo who provided the magic numbers: 2414 for CenturyLink or 834 for DISH. Unlike the proprietary Roku voice remote, universal remotes