UAP-002 universal learning remote with 100% Brand new and high quality can learn the functions of your original remote except some special remote control keys.Compatible with 2021 Apple TV4 TV4K, with 4th generation Apple TV HD, with Apple TV A1469 A1427/MD199 A1294 A1156 A1378/MC572 A1218/MA711 MM4T2AM/A MM4T2ZM/A MC377LL/A A1625/MGY52/MLNC2 MD199LL/AMC572LL/A A1842/MQD22/MP7P2 Mac Dock Music System.Please know that this remote is an IR remote, line-of-sight required. It is NOT Siri remote, NO Voice control, NO Touch Pad function. Certain Apple Apps (e.g. Zwift) are designed only to use a touch interface and will not work with this remote!This remote control is not the original remote, but it can work as well as your original remote. If you find this remote can only work within a close distance (e.g. <10ft), maybe there have something blocking the signals for your Apple box, such as you put the box in a cabinet or a closet, or behind the TV.Simple Learning Method1. Hold down the "SET" button for about 3 seconds then release it when the indicator light stays on.2. Press the "POWER" button of this remote control, the indicator light will flash.3. Aim the emitter of the original remote control to the same of this one at a diatance of 3 cm. Hold down the "POWER" button for about 3 seconds of the original remote control. This button has been learned successfully when the indicator light flashed three times then stay on.4. Repeat steps 2-3 to learn other buttons. Press "SET" button to exit.* For some special originals, if it failed in copying first time, please repeat learning the function keys several times.* The battery level may affect the learning function, please use a brand new battery.