T-Mobile's version of the OnePlus 6T has consistently been receiving software updates at a different (read:later) pace than the unlocked model. Today a new one has started making its way to those units sold by the magenta carrier. It's a 110MB download that enables activating the Google Assistant by holding the power button for 0.5s. If you turn this on this in Settings > Buttons & gestures, you'll need to hold the key for 3s in order to reach the power off menu. The Assistant shortcut is very handy if you have full screen gesture navigation enabled, as that takes away the option of...
Source: https://www.gsmarena.com/tmobile_oneplus_6t_update_brings_new_google_assistant_shortcut_plenty_of_fixes_and_improvements-news-34661.php
