If you face any sort of problem while activating the hbomax channel on your smart tv such as Apple TV, Android TV, LG TV, Samsung TV, roku, You can activate your hbomax.com/tvsignin in enter 8 digit code in your devices and enjoy your channel.
If you want to know How to Activate xfinity channel on your device, then read our guide to know more about the steps to get xfinity.com/Authorize on your computer and smartphone.