I didn’t realize my HDMI cable was blocking Dolby Atmos — the upgrade was free

Dolby Atmos adapts to the devices and audio gear you have, and this can be a blessing and a curse. You might fire up Apple Music on your phone and hear Dolby Atmos start playing out of your device’s stereo speakers. It’s a different experience on every platform. The important thing to remember is that every piece of the chain needs to support Dolby Atmos for it to work. The fewer hardware and software points in the mix, the simpler unlocking Dolby Atmos becomes.