This article explains how to disable Bluetooth on your Apple iPhone 3, 3G or 4. Bluetooth is primarily used for a wireless headset and is often left enabled which drains battery unnecessarily. This article is a part of my iPhone Battery Life Saving Tips & Tricks series.
iPhone-Zone
HOWTO: Increase Battery Life by Fetching iPhone Mail, Don’t Push!
Push Mail was introduced in iPhone 3G and to some it is as indispensable as their right arm. That’s all very helpful but what good is Push Mail when you’re gonna soon lose the one thing that makes it all tick, battery life.
HOWTO: Disable iPhone App Push Notifications for Longer Battery Life
Apps with Sounds, Alerts and Badges can be handy but do you need them on all the time? Extend iPhone battery life by disabling or tweaking.
iPhone OS 4.0 BETA Not Connecting to Wireless Network
SOLVED: When attempting to connect your iPhone running iPhone iOS 4 Beta to your wireless (wi-fi) network you receive the message: “Unable to join the network {network name}”.