Is there any way to turn on watch only mode automatically when battery is less than 20% in watch 6

How to disable auto hyperlink of phone numbers/numbers in sms messages in note 9 android

PURCHASED GALAXY NOTE 9 RECENTLY. WHILE I INSTALLING RECENT UPDATE (ANDROID 10) IT SHOWS AS 450 APPS OPTIMIZING. BUT IN APP SCREEN THERE ARE ONLY 30 TO 40. ALSO IN APP I CAN SEE ANDROID AUTO INSTALLED. BUT NOT SHOWING IN HOME SCREEN. CAN ANY ONE HELP

While typing in screen ( Using Whatsapp  sending mail), could see screen is flickering. any fix will help

Battery drain fast in s9. any solution