69Troubleshooting
If you select Reset all, your settings and
content, such as contacts, messages,
pictures, sounds and downloaded
games, will be deleted. You may also
lose content that was in the phone at
purchase.
To reset the phone
1 From standby select Menu > Settings
> the General tab > Master reset.
2 Select an option.
3 Follow the instructions that appear.
I cannot charge the phone or battery
capacity is low
The charger is not properly connected
or the battery connection is poor.
Remove the battery and clean the
connectors.
The battery is worn out and needs to
be replaced
. See Charging the battery
on page 8.
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/
region 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.
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