I have a Samsung Galaxy Active 2 watch. Worked fine for two months. Then (Oct 2020 maybe after an update?) I started getting extremely blurred screen when trying to set a timer. Its as though the underlying algorithm is loading a low resolution version of the interface. I can barely make out the options displayed (i.e. 10 min 15 min 30 min...). They are there and can be selected BUT are so blurred as to be barely read.
Thank you for reaching out. Have you been able to reset your watch to see if you are still experiencing the same symptom? You can do so by following the steps in this link. https://www.samsung.com/us/support/answer/ANS00084702/
I got my wife the active2 and the timer looked blurry, which I had never seen on my Active2. However, I turned her watch off and turned it back on and the timer looked normal again.