User's Guide

Table Of Contents
Data roaming settings
To change your data roaming settings, from the home screen touch Apps> Settings>
More>Mobile networks>Data roaming.
Note: You may incur significant charges if you use data roaming. Check the data roaming conditions with
your service provider.
Back up and restore your phone
To back up your application data, Wi-Fi passwords and other settings to Google servers, touch Apps>
Settings>Backup& reset.
Use Google Drive™ to back up your music, photos, videos and documents, touch Apps>Google
Drive> >My Drive.
Use your Gmail account to back up your contacts, emails and calendars. To set your Google sync
settings, touch Apps> Settings>Accounts>select your Google account.
Set your phone to lock automatically
To set your phone to lock automatically, touch Apps> Settings>Security>Screen lock>lock
type>Automatically lock. Then select how long after sleep mode you want to lock your phone.
Note: This feature does not apply to the Swipe lock option.
Change your PIN code
To set your PIN code, from the home screen touch Apps> Settings>Security>Screen
lock>PIN. Enter your numerical PIN and then confirm it.
You will be prompted to enter the PIN to unlock your phone.
Access codes
PIN code (4-8 digits)
The PIN code protects your SIM against unauthorised 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 enter the code incorrectly three times in
a row, you need to unblock the code with the PUK code. To change your PIN code, see "Change your PIN
code" on page57.
PUK or PUK2 code (8 digits)
The PUK or PUK2 codes are required to unblock a PIN or PIN2 code. For PUK or PUK2 details, contact
your service provider.
Phone management
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