Throughout this course I've mentioned some things you can do to conserve and extend your iPhone or iPod touch's battery life. But I thought it would be useful to have the most important ones all in one place. So in no particular order, let's look at some of these tips and review some of the ones we've seen so far. These can be things you can do when you're caught without your charger and you need to slow down your device's power consumption, or these could just be settings you can leave off when you don't need them. The first one I'd like look at is screen brightness. You get to the brightness settings by going into Settings>Brightness and Wallpaper.
Your iPhone or iPod touch's screen can get pretty bright at its highest setting, but the truth is you probably don't need to use the highest brightness setting, even if you're outdoors in midday sunshine. The lower you can stand to keep the brightness setting, the more battery power you'll conserve. Personally I usually keep mine about three quarters of the way to full. But if I'm in a dimly lit restaurant or theater, I'll sometimes drag the brightness all the way down to the lowest level. I can still see every thing I need to see and I'm also consuming way less power. I also keep Auto-Brightness off. It's supposed to automatically adjust the brightness of the screen for your current lighting conditions, but frankly I've never noticed it working and I just prefer using the manual Brightness slider by itself.
So play around with the Brightness settings and see what level works for you most of the time. Two other big battery eaters are your Wi-Fi and Bluetooth systems. Now granted you'll probably want to keep your wireless on most of the time if use your device to browse the web and check your email. But unless you're one of those people that has a Bluetooth headset in your ear for the majority of the day, you can probably leave Bluetooth off. You'll find the Bluetooth settings here under the main section of System Settings. Just select it, and then turn it off. When you need to use your headset or other Bluetooth device again, you can just turn it back on.
But you'll be conserving battery power if you leave it off until you need it. Especially for iPod touch users; unless you have a Bluetooth headset for listening to your music you probably won't need to turn Bluetooth on much at all. Now as far as Wi-Fi goes, again you might want to leave that on whenever you're within the range of wireless networks you can connect to, but if you're out and about and not near any of your wireless networks, you can turn off Wi-Fi by going into the main Settings page here, selecting Wi-Fi and just turning it off.
Again, you'll conserve more battery power. And if you're on an iPhone, you'll still be able to receive and send messages, and browse the web off your cell network. Speaking of checking email, every time your iPhone or iPod checks for email, it's using your precious battery power. Check your Settings under Mail, Contacts, Calendars and here look under the Fetch New Data area. If you aren't concerned with downloading your emails the moment they hit your email server, you can turn Off Push. Your device will then default to the Fetch settings where you can choose to have your iPhone or iPod touch download your messages on a set schedule every 15 or 30 minutes, or on the hour, or by selecting manually, in which case you'll only download email messages when you open the Mail app.
You can also go under the Advanced section and you can choose which of your email accounts to have Push turned On or Off for. Another feature you can turn off on both the iPhone and iPod touch are your Location Services. But these days more and more apps access your location information and they can really drain your battery. So if you don't currently need those services, go into Settings>Privacy>Location Services and here you can turn off all Location Services with the main switch at the top or you can turn off Location Services for individual apps below.
Sometimes you may notice that your battery is draining more quickly than usual. It's a good idea to come in here and check to see if any of your apps are continuously checking your location for some reason. Any app that has checked your location within the past 24 hours will have a gray location icon next to it. Any apps that are currently using your location information will have a purple icon. So you may want to come in here and turn off Location for certain apps. And lastly, if you don't need to be online at all and if you don't need to make or receive phone calls, maybe you just want to play some games on your iPhone, you can go into Settings and turn on Airplane mode.
Airplane mode is a quick way to turn off your Network Connection, Location Services, Wi-Fi and Bluetooth all at once. And as I mentioned before, you can even turn Wi-Fi back on after you've enabled Airplane mode if you need to. But Airplane mode keeps you from having to turn off all the services one at a time. And of course if you don't really need to use your iPhone or iPod touch at the moment, just turn it off. Having your device switched off is going to save a lot more battery power v going through and turning all these features off and it takes much less time.
So there you have some handy tips to remember to get the most out of your iPhone or iPod touch's battery charge.
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