August 2008
Beginner to intermediate
376 pages
9h 33m
English
Content preview from iPhone: The Missing Manual, 2nd EditionBecome 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,
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Sequence of Connections
The iPhone isn't online all the time. To save battery power, it actually opens the connection only on demand: when you check email, request a Web page, open the YouTube program, and so on. At that point, the iPhone tries to get online following this sequence:
First, it sniffs around for a Wi-Fi network that you've used before. If it finds one, it connects quietly and automatically. You're not asked for permission, a password, or anything else.
If the iPhone can't find a previous hot spot, but it detects a new hot spot, or several, a message appears on the screen. It displays the new hot spots' names, as shown at left on the facing page; tap the one you want to connect to it. (If you see a
icon next to a hot spot's name, then it's been protected by a password, which you'll have to enter.)If the iPhone can't find any Wi-Fi hot spots to join, or if you don't join any, it connects to the cellular network: 3G if it's available, and EDGE if not.
Silencing the "Want to Join?" Messages
Sometimes, you might be bombarded by those "Do you want to join?" messages at a time when you have no need to be online. You might want the iPhone to stop bugging you—to stop offering Wi-Fi hot spots.
In that situation, from the Home screen, tap> Settings→Wi-Fi and then turn off Ask to Join Networks. When this option is off, the iPhone never interrupts your work by bounding in, wagging, ...
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O’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.
I 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.
I’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.
I'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.