Nokia Lumia 822: Get Started14Chapter 3Access codesPIN or PIN2 code(4-8 digits)These protect your SIM card against unauthorized use or are required toaccess some features.You can set your phone to ask for the PIN code when you switch it on.If not supplied with your SIM card or you forget the codes, contact yourservice provider.If you type in the code incorrectly three times in a row, you need tounblock the code with the PUK or PUK2 code.PUK or PUK2 code(8 digits)These are required to unblock a PIN or PIN2 code.If not supplied with your SIM card, contact your service provider.IMEI number(15 digits)This is used to identify valid phones in the network. The numbercan also be used to block, for example, stolen phones.You mayalso need to give the number to Nokia Care services.To view your IMEI number, dial *#06#.Lock code (security code)(min. 4 digits)This helps you protect your phone against unauthorized use.You can set your phone to ask for the lock code that you defi ne.Keep the code secret and in a safe place, separate from yourphone.If you forget the code and your phone is locked, your phone will requireservice. Additional charges may apply, and all the personal data in yourphone may be deleted.The personal unblocking key (PUK) code and the universal personalunblocking key (UPUK) code (8 digits) are required to change a blockedPIN code and UPIN code,respectively. The PUK2 code (8 digits) is required to change a blockedPIN2 code. These codes are not supplied with the SIM card. Contactyour local service provider for the codes.Set your phone to sync with your computerWith the Zune PC app, you can sync music, videos, and pictures be-tween your phone and your compatible computer. You can also backup and update your phone with the latest software, to improve perfor-mance and get new features.To download and install the latest version on your PC, or to learn moreabout Zune, go to www.zune.net.Tip:If you’re using an Apple Mac, download Windows Phone 8Connector for Mac from Mac App Store.If you have previously used another app, such as Nokia Ovi Suite, tosync your files between your phone and computer, you can set Zuneto sync files to the same folders you have used earlier, and have yourmusic and other content easily synced to your new phone.