User's Manual Part 2

70 Troubleshooting
The battery is worn out and needs to
be replaced
. See Charging the battery
on page 9.
No battery icon appears when I start
charging the phone
It may take a few minutes before the
battery icon appears on the screen.
Some menu options appear in grey
A service is not activated. Contact
your network operator.
I cannot use SMS/text messages on
my phone
You must have a service centre
number. The number is supplied by
your service provider and is usually
saved on the SIM card. If the number
to your service centre is not saved on
your SIM card, you must enter the
number yourself.
To enter a service centre number
1 From standby select Menu >
Messaging > Settings > Text message
and scroll to Service centre. The
number is shown if it is saved on the
SIM card.
2 If there is no number shown, select
Edit.
3 Scroll to New ServiceCentre and select
Add.
4 Enter the number, including the
international “+” sign and country
code.
5 Select Save.
I cannot use picture messages on my
phone
You must set an MMS profile and the
address of your message server. If no
MMS profile or message server exists,
you may receive the settings from your
network operator or at
www.sonyericsson.com/support.
To select an MMS profile
1 From standby select Menu >
Messaging > Settings > Picture
message > MMS profile.
2 Select a profile.
To set the message server address
1 From standby select Menu >
Messaging > Settings > Picture
message.
2 Scroll to MMS profile and select Edit.
3 Select Options > Edit.
4 Scroll to
Message server and select
Edit.
5 Enter the address and select OK >
Save.