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Network use
• If you are listening to music or otherwise using your phone, but do not want to
make or receive calls, switch to the offline profile.
• Set your phone to check for new mail less frequently.
• Use a Wi-Fi connection to connect to the internet, rather than a mobile data (GPRS
or 3G) connection.
• If your phone is set to use both GSM and 3G networks (dual mode), the phone
uses more power when searching for the 3G network.
Set your phone to use only the GSM network
Swipe down from the notification area, then select the mobile network and Network
mode > GSM.
Switch Bluetooth off when not needed
Swipe down from the notification area, then select
.
Stop your phone scanning for available Wi-Fi networks
Swipe down from the notification area, then select
.
Open a mobile data (3G or GPRS) connection only when needed
To close the mobile data connection, swipe down from the notification area, then
select
.
Restore original settings
If your phone is not working properly, you can reset some settings to their original
values.
1 End all active calls and connections.
2 Select
> Settings and Phone > Phone management > Factory settings >
Restore.
3 If prompted, enter the security code.
This does not affect documents or files stored on your phone.
After restoring the original settings, the phone switches off, and then on again. This
may take longer than usual.
Basic use 31