Basic Operations 45Update Your Network ProfileIf you need to change your user name, update your network profile.■ If you choose to change your user name and select a new one online, you must then update theuser name on your phone. On the home screen, swipe from the top of the screen and tap ALLSETTINGS > network profile > update profile and follow the on-screen instructions. The phonewill download and install the profile update and you will see a confirmation when complete.Tip: If your data services or account syncing ever seem to go out unexpectedly, use this feature toreconnect with the network.Access CodesLearn what the different codes on your phone are for.Code DescriptionPIN code (4-8 digits)This protects your SIM card against unauthorized use or is requiredto access some features.You can set your phone to ask for the PIN code when you switch iton.If you forget the code or it isn't supplied with your card, contact yournetwork service provider.If you type in the code incorrectly 3 times in a row, you need tounblock the code with the PUK code.PUKThis is required to unblock a PIN code.If not supplied with your SIM card, contact your network serviceprovider.Security code (lock code,password)(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 define.Keep the code secret and in a safe place, separate from yourphone.If you forget the code and your phone is locked, your phone willrequire service. Additional charges may apply, and all the personaldata on your phone may be deleted.For more info, contact the nearest care point for your phone, oryour phone dealer.
