If Apple users synchronize the iPhone system calendar with the iCloud calendar, they may receive a prompt in the iPhone and display some inexplicable information records. If you rarely use the calendar function of iCloud, you can choose to turn it off completely to eliminate the push of iCloud calendars from the root. Go to Settings -“I cloud, and then turn off calendar synchronization.
Icloud, Xcerion was released on April 9, 2009. It is the first free online computer in the world, which can provide anyone in the world with their own online computer, plus free storage, application, virtual desktop and backup access, and can be used from any computer connected to the Internet.