Multiple calendars via Google Sync on Apple devices (iPhone, iPad, iPod Touch)
Requires iOS 3.0+
Everything is done on your device (iPhone, iPad, or iPod Touch)
Don’t forget to back up! Sync with iTunes/iCloud.
0. Delete the Gmail account (Settings › Mails, Contacts, Calendars › Gmail › Delete Account) 0. In Safari, go to [m.google.com/sync](http://m.google.com/sync) [Resource 1] [1] 0. Sign in 0. Select the most recent sync 0. Select the calendars you want to sync on your device 0. Save 0. (I don't think it's necessary but I rebooted my device to be sure) 0. Create an Exchange account (Settings › Mails, Contacts, Calendars › Add Account › Exchange) [Resource 2] [2] 0. Enter your email in email and username, and your password, leave domain blank. Tap Next. Tap Cancel if "Unable to Verify Certificate". 0. When "Server" field appears, enter "m.google.com". Tap Next.
Resources:
0. [1] [Setting up Google Sync with your iOS device](http://support.google.com/mobile/bin/answer.py?hl=en&answer=138740&topic=14252&ctx=topic) 0. [2] [iOS 5 Sync Not Working](http://www.google.bg/support/forum/p/Calendar/thread?tid=6f303b9bc85b2696&hl=en#fid_6f303b9bc85b26960004b02ca14830d3)
