Sony Ericsson V640I Cell Phone User Manual


 
40 Troubleshooting
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 7.
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 messages on my phone
Settings are missing or incorrect.
Contact your network operator. See
Help in your phone on page 6 or go to
www.sonyericsson.com/support to
order settings and follow the
instructions on the screen. See Text
messages (SMS) on page 22 or
Settings on page 35.
How do I turn on and off T9 Text Input
when writing?
When you enter text, press and hold
down . You will see at the top
of the screen when T9 Text Input is
activated.
How do I change phone language?
1 From standby select Menu > Settings
> the General tab > Language > Phone
language.
2 Select an option.
I cannot use the Internet
Your subscription does not include
data capability. Internet settings are
missing or incorrect. Please contact
your network operator.
See Help in your phone on page 6 or
go to www.sonyericsson.com/support
to order Internet settings, and follow
the instructions on the screen. See
Settings on page 35.
The phone cannot be detected
by other devices using Bluetooth
wireless technology
You have not turned the Bluetooth
function on.
Make sure that the visibility is set
to Show phone.
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