Try restarting the phone. This has worked for some users. Try turning off Wi-Fi Calling off you have this setting switched on. Go to Phone > More > Settings > Wi-Fi Calling. Clear your Note 20 Ultra’s cache. You can do this by booting up your phone in recovery mode. If possible, try a different SIM card and/or network on your phone. QUICK ANSWER. Some of the most common Samsung Galaxy Note 20 issues include things like green tint on the screen, Edge lighting issues, random reboots, swipe discrepancies, S Pen BeEM.

samsung note 20 ultra issues