Parth How to 15/12/2020 1 min readHow to sync the calendar on iPhone Table of Contents ToggleOpen the ‘Settings’ app on the iPhone.Scroll through the settings menu and tap on the ‘Calendar’ option.In the calendar settings, tap on the ‘sync’ option.Here, you can choose how far back you want the calendar to sync. Scroll through the settings menu and tap on the ‘Calendar’ option. In the calendar settings, tap on the ‘sync’ option.