Sony Ericsson C902 Cell Phone User Manual


 
63Troubleshooting
Troubleshooting
Some problems will require you to call
your network operator.
For more support go to
www.sonyericsson.com/support.
Common questions
I have problems with memory
capacity or the phone is working
slowly
Restart your phone every day to free
memory or do a Master reset.
Master reset
If you select Reset settings, the changes
that you have made to settings will be
deleted.
If you select Reset all, in addition to
your changes to settings, all contacts,
messages, personal data, and content
that you have downloaded, received
or edited will also be deleted.
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
Settings are missing or incorrect.
Contact your network operator to find
out the correct SMS service centre
setting. See Text messages on page 33.
I cannot use picture messages on my
phone
Your subscription does not include data
capability. Settings are missing or
incorrect. Please contact your network
operator.
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