TIZEN OS UPDATE for Samsung Galaxy Watch Active 2 - What is coming? - YouTube
Samsung Galaxy Watch Active 2 & Watch 3: ECG & BP now fully working on Tizen 5.5.0.1!!! - YouTube
ECG and BP working without any need of rooting you GW. Walkthrough (not my video) https://youtu.be/11lvEJWdzMY Both apk works really well with Tizen 5.5 update. You don't need to uninstall Samsung health
Samsung Galaxy Watch Active2 and Watch3 get system improvements with new updates - GSMArena.com news
Samsung Galaxy Watch 3 review: the new king of Android smartwatches | Samsung | The Guardian
Tizen 5.5.0.1 Adds Running Analysis, Vo2 max, Fall Detection, and More to Active 2 - YouTube
Tizen 5.5 comes to Active 2 users in the US, ECG feature enabled
Samsung's Galaxy Watch3 and Watch Active2 are both getting updated software
Galaxy Watch 3 & Active 2 Get Wear OS Watch Faces With New Update
ECG feature comes to Samsung Galaxy Watch 3 and Samsung Galaxy Watch Active2 - MSPoweruser