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Troubleshooting
This chapter is all about solving possible problems with your phone. To find further
suggestions, go to www.sonyericsson.com/support. Select your region, country and phone
model to find helpful information.
Your phone also includes help texts. In many applications and in some dialog windows, for
example, those where you enter important settings, Help is available in the Options menu.
To improve performance, you can update the software in your phone. See Updating your
phone on page 63.
If you need to hand in your phone for repair, note that you may lose any information and content
that you have saved in your phone. You are advised to make a copy of such information using
PC Companion. See PC Companion on page 60.
Start-up problems
If the phone does not start, you could:
•
Recharge or replace the battery. Avoid charging the battery in extreme temperatures.
•
Clean the contacts on the battery and in the phone.
Lock problems
Inserting the SIM card
Make sure a SIM card is activated and inserted into your phone. See SIM card on
page 6.
Keys and screen lock
Your phone screen and keys may have been locked. The screen and keys can be locked
to prevent unintentional key actions. To unlock, slide the keylock key on the side of the
phone and follow the instructions that appear. See Automatic keylock and screen guard
on page 9.
Blocked SIM card
If your PIN is entered incorrectly three times in a row, the SIM card will be blocked. You
can unblock it by using your PUK. See SIM card lock on page 73.
Phone lock
You can lock your phone to prevent unauthorised use. See Phone lock on page 73.
Indicator light
The indicator light can light or flash in green or red.
•
Flashes green – you have, for example, received a new message or missed a call.
•
Flashes red – the battery is running low and you need to recharge it soon or replace it with
a spare battery.
•
Green light – the phone is fully charged.
•
Red light – the phone is being charged.
Communication problems
The phone does not work
•
The received signal can be too weak, possibly because you are being shielded from the
signal. Check the signal strength indicator on your phone display. Move outdoors or to
higher ground to get a sufficiently strong signal.
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