- Select "login" on the login screen
- Select your option and log in
Log in after starting the use
- Go to the main menu by selecting the three lines in the upper left corner of the screen
- Tap the profile icon in the upper part of the screen
- Select "Log in or Account Registration"
- Select "If you already have an account, sign in."
- The registered account will rewrite the current calendars. After resetting, the details you have added can't be restored.