Users can access hbomax/tvsignin across a range of supported devices, including Android phones and tablets, Android TV including Sony Android TVs (2016 models and later), Apple devices (iPhone, iPad, iPod touch, Apple TV 4K and Apple TV HD), Chromecast and Chromecast built-in devices, computers (Chromebooks, PC and Mac. In truth, HBO Max is only officially compatible with Samsung TVs and TVs powered by the Android TV operating system. Even Samsung, however, does not provide compatibility for all models, with customers required to be using a Samsung smart TV from 2016, at the very least.
https://code-activation.com/new/hbomax