i just got myself an early Christmas present, a Galaxy Watch 4 44mm model and was anxious to put the Dexcom watch face on it. It wasn’t functional so I tried the Files and Media permissions fix as linked above. It still wouldn’t work and directed me to see my phone. Upon googling the problem I found this Reddit discussion with a more complex method that worked. I used Wear Installer 2 and the two apps required are on the Play Store. I’ll post a pic of the digital watch face below. Also, for those who have non-Samsung phones but still want the blood pressure and ECG functions to work, see this XDA-Developers thread.
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