Download the latest version of the Huawei Health app. To activate ECG, open the Huawei Health app, and go to Health > Heart > Other data > ECG. If you are unable to find the Heart card on the Health screen, touch Edit on the screen to add the Heart card. If the issue persists, please call the Huawei customer service hotline for further assistance. 15K views 1 year ago #HuaweiWatchGT2Pro #AlwaysOnDisplay. Huawei Watch GT 2 Pro How to enable Always On Display (AOD) Mode & Take A Look at Stock AOD Faces!! Display. The 46mm version of the Huawei Watch GT 2 has a 1.39 inch AMOLED 454 x 454 HD touchscreen display. It is quite bright, even on automatic brightness settings. While this is great while Huawei’s promise of 14 days use is probably right, but I love an always-on display, which that statistic doesn’t include. However, it runs almost for a week with this display on and decent usage. ECG Analysis. Heart Rate Monitoring. SpO₂ Tracking. Cycle Calendar. 100+ Workout Modes. Free Diving Mode/Golf. Single-Band Five-System GNSS Positioning. Typical usage under standard mode: 3 days. Ultra-long battery life mode up to: 14 days. HUAWEI Watch GT 2 Pro review notes: I've been using the GT 2 Pro for a week, mostly on software version 10.0.1.64. To give you a sense of my usage, I had the always-on display disabled (which The Huawei Watch GT 2 doesn’t aim to compete with Apple Watch or Samsung’s premium offerings, and it delivers almost everything I’d expect of a smartwatch priced under Rs. 20,000. It looks great on my wrist, has an enticing OLED display, delivers reasonably accurate and diverse activity tracking, helps manage notifications and calls from The smartwatches pack always-on display mode and customizable watch faces. In terms of health and fitness, the Huawei Watch GT 4 duo are equipped with a heart-rate monitor, SpO2 sensor, sleep and zAt6n0.