Sony Ericsson Walkman W830i User Manual page 79

Solution: Try another battery and
charger for the same phone model,
or visit your retailer and ask them to
verify if the battery and charger are
working properly.
The phone turns itself off
Possible cause: The
been pushed unintentionally.
Solution: Turn on the automatic key
lock, or lock the keypad manually
%
76 Keypad Lock.
Possible cause: The battery
connection is poor.
Solution: Make sure the battery is
inserted correctly
card and battery.
I cannot use SMS/text messages
on my phone
Possible cause: Settings are missing
or incorrect.
Solution: Contact your network
operator to find out the correct SMS
service center setting
Messaging (SMS).
I cannot use MMS/picture messages
on my phone
Possible cause: Your subscription
does not include data capability.
This is the Internet version of the User's guide. © Print only for private use.
button has
%
5 To insert SIM
%
31 Text
Solution: Please contact your network
operator.
Possible cause: Settings are missing
or incorrect.
%
Solution: 6 Help in your Phone or
1 Go to www.sonyericsson.com/support.
2 Select a region and a country.
3 Select the Phone setup tab, and select
a phone model.
4 Select the MMS setting to download
to your phone.
I cannot use the Internet
Possible cause: Your subscription
does not include data capability.
Solution: Please contact your network
operator.
Possible cause: Internet settings are
missing or incorrect.
%
Solution: 6 Help in your Phone or
1 Go to www.sonyericsson.com/support.
2 Select a region and a country.
3 Select the Phone setup tab, and select
a phone model.
4 Select the WAP setting to download to
your phone.
Troubleshooting 79