Android tips and tricks
Most use full Android tips and tricks
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Switch between 3G and 4G networks
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Customize your lock screen
3. Customize your lock screenAndroid gives you a few solid options for keeping other people from getting access to your phone. Of course, there's the trusty four-digit PIN. But you can also set up a regular password like you'd use on your computer. Or you can get into your phone by dragging your finger to connect a series of dots in a unique shape. If you're running Ice Cream Sandwich, you can also give "Face Unlock" a try. Your phone will use its front camera to detect who's holding the phone, unlocking only for the real owner. This isn't a particularly secure option (it can be defeated using a picture of the owner, for example), but it's a lot of fun to show off. (If you're running Froyo or Gingerbread, the free Visidon AppLock can do the same thing for your messaging and email apps.)If you're less worried about security and just want a simple slide, you also have the option to quickly access the camera from the lock screen. Just slide the lock to the left over the camera icon. And if you want to trick out your lock screen even further, you can use WidgetLocker's LockScreen app ($2.99) to get music controls and customized sliders for particular apps.
Take a screenshot (ICS only)
4.For a long time, the only way to take a screenshot on an Android phone involved rooting the device (a process similar to jailbreaking an iPhone) and installing specialized software. Thankfully, that's no longer the case in Ice Cream Sandwich. Just press the power and volume-down buttons simultaneously. The screen will flash and a screenshot will be saved in your phone's photo gallery.If you're on Froyo, Gingerbread, or Honeycomb, but you really don't want to root your device, try No Root Screenshot It -- you'll have to connect your phone to a computer to enable screenshots each time you restart the phone, but the app does exactly what its name promises.
Control your computer with your phone (or tablet)
5.This nifty app lets you control your computer with your phone. It's really two programs: a client that runs on your laptop or desktop, and a lightweight remote app for your phone or tablet. Once you've got everything up and running, you can create customized remotes to control just about everything on your computer. Out of the box you get mouse and keyboard support, volume and media control, and the ability to bend programs like Spotify and Windows Media Player to your will. Upgrade to the premium version ($4), and you can control just about everything – including your browser and media player of choice.
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