1Press and hold down the power key 
until the device vibrates.
2If your screen goes dark, briefly press the power key 
to activate the screen.
3Enter your SIM card PIN when requested, then tap 
.
4If your screen is locked, place a finger on the screen and swipe up or down to unlock it.
5Wait a while for the device to start.
Your SIM card PIN is initially supplied by your network operator, but you can change it later from the Settings menu. To correct a mistake made while entering your SIM card PIN, tap 
.
To turn off the device
1Press and hold down the power key 
until the options menu opens.
2In the options menu, tap Power off.
3Tap OK.
It may take a while for the device to shut down.
Why do I need a Google™ account?
Your Xperia™ device from Sony runs on the Android™ platform developed by Google™. A range of Google™ applications and services are available on your device when you purchase it, for example, Gmail™, Google Maps™, YouTube™ and Google Play™, the online store for downloading Android™ applications. To get the most out of these services, you need a Google™ account. For example, a Google™ account is mandatory if you want to:
•Download and install applications from Google Play™.
•Synchronise email, contacts and the calendar.
•Chat with friends using the Hangouts™ application.
•Synchronise your browsing history and bookmarks.
For more information about Android™ and Google™, go to www.sonymobile.com/support.
To set up a Google™ account on your device
1From your Home screen, tap 
.
2Find and tap Settings > Add account > Google.
3Follow the registration wizard to create a Google™ account, or sign in if you already have an account.
You can also sign in to or create a Google™ account from the setup guide the first time you start your device. Or you can go online and create an account at www.google.com/accounts.
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