Skip to Content
The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS, Fifth Edition
book

The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS, Fifth Edition

by Scott Kelby, Terry White
February 2012
Beginner to intermediate
368 pages
9h 22m
English
Peachpit Press
Content preview from The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS, Fifth Edition

More Battery Saving Tips

image

Here are a couple more options to save battery life: If you have an iPhone 4 and you’re not actively surfing the Web, then having the 3G feature turned on is putting an unnecessary drain on your battery. Tap on the Settings app, and then tap General. Next tap Network, and then tap the Enable 3G ON/OFF button to turn it off (this is not available on the iPhone 4S). Also, if you’re having your data (such as email, and calendar and contact updates) “pushed,” then you can switch from Push to Fetch. This will bring in your data on a timed interval, as opposed to every second of the day. I found that turning off Push gave me ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

My New iPad 2

My New iPad 2

Wallace Wang
CCIE and CCDE Evolving Technologies Study Guide, First Edition

CCIE and CCDE Evolving Technologies Study Guide, First Edition

Brad Edgeworth, Jason Gooley, Ramiro Garza Rios

Publisher Resources

ISBN: 9780133016529Purchase book