While not as ground-breaking as Wear OS 3, expect some subtle breakthroughs for Pixel Watch 2 and Galaxy Watch 6.
Samsung One UI 5 Watch Update Based on Wear OS 4 Rolling Out for Galaxy Watch 5 Series: Report
Samsung announces One UI 5 Watch update for Galaxy Watch4 and Watch5 based on Wear OS 4 - Neowin
Samsung Wallet, Thermo Check and WhatsApp Are Coming to Galaxy Watch Series – Samsung Mobile Press
Samsung Galaxy Watch 5 and Watch 5 Pro review
Samsung One UI 5 Watch Update Based on Google Wear OS 4 Announced For Eligible Galaxy Watches
Google Wear OS 4 update: Compatible watches, new features and how to update - Wareable
Samsung Wear OS 4 One UI Watch 5 firmware update tracker - SamMobile
Here are the 7 Best Google Wear OS 4 Features - Gizmochina
Google Wear OS 4: Features, release date, and more - Android Authority
Wear OS 4 rolling out to Galaxy Watch 5
Samsung Galaxy Watch 5 (44mm, WiFi + 4G LTE) 1.4 Super AMOLED Smartwatch GPS Bluetooth w/ Advanced Sleep Coaching, Bioactive Sensor, Water Resistant R915U (Generic Charger, Graphite) (Renewed) : Electronics
One UI 5 Watch Update: Top 19 New Features For Galaxy Watch 4 and 5
20+ New Features Hit Galaxy Watch 5 in Big One UI 5 Update
Wear OS 4 features coming to your Galaxy Watch 4 and Watch 5 - SamMobile
