Hi guys, Last night I was reading a guide about improving battery life and one of the things mentioned was stopping Gmail syncing your contacts and calendars. I'm a n00b so I wanted to ask some questions about this and how much it can help the battery, and also if it's worth actually leaving as it is. If you can shed any light on the queries below I'd greatly appreciate it 1. When I set up my phone I added people as Google contacts rather than Sim contacts but wasn't really sure of the difference and what it would mean. Is it just a case of the phone finding those people on your Gmail account if you select to add as a Google contact or is there more to it? 2. How frequent are syncs with Google contacts and calendars and what exactly is synced between my phone and my Google account? Is it actually battery intensive or does it make very little difference? 3. I set up a Google Calendar a long time ago and subscribed to my girlfriend's calendar, but have deleted mine and unsubscribed to hers today as I just don't use it. Does this mean nothing is then synced with the phone as nothing exists? I'm trying to get my head around exactly how my Google account links with my phone and how it affects the phone. Thanks again.