Nokia Sprint Lumia 635, Руководство пользователя, Страница: 54 / 157

Basic Operations 45
Update Your Network Profile
If you need to change your user name, update your network profile.
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If you choose to change your user name and select a new one online, you must then update the
user name on your phone. On the home screen, swipe from the top of the screen and
tap ALL
SETTINGS > network profile > update profile and follow the on-screen instructions. The phone
will 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 to
reconnect with the network.
Access Codes
Learn what the different codes on your phone are for.
Code Description
PIN code (4-8 digits)
This protects your SIM card against unauthorized use or is required
to access some features.
You can set your phone to ask for the PIN code when you switch it
on.
If you forget the code or it isn't supplied with your card, contact your
network service provider.
If you type in the code incorrectly 3 times in a row, you need to
unblock the code with the PUK code.
PUK
This is required to unblock a PIN code.
If not supplied with your SIM card, contact your network service
provider.
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 your
phone.
If you forget the code and your phone is locked, your phone will
require service. Additional charges may apply, and all the personal
data on your phone may be deleted.
For more info, contact the nearest care point for your phone, or
your phone dealer.