In Flight mode the network and radio
transceivers are turned off to prevent
disturbance to sensitive equipment.
When the flight mode menu is activated
you are asked to select a mode the next
time you turn on your phone:
• Normal mode – full functionality
• Flight mode – limited functionality
To activate the flight mode menu
• Select Menu > Settings > General >
Flight mode > Continue > Show at
startup.
To select flight mode
1 When the flight mode menu is
activated, turn off your phone.
2 Turn on your phone and select Flight
mode.
Update Service
You can update your phone with the
latest software using your phone or a
PC.
Updating using your phone is not possible
in all countries/regions.
To view the current software in the
phone
1 Select Menu > Settings > General >
Update service.
2 Select Software version.
Update Service using the phone
You can update your phone over the air
using your phone. You do not lose
personal or phone information.
Update Service using your phone
requires data access such as GPRS, 3G
or HSDPA.
To select settings for Update Service
• Select Menu > Settings > General >
Update service > Settings > Internet
settings.
To use Update Service using the
phone
1 Select Menu > Settings > General >
Update service.
2 Select Search for update and follow the
instructions that appear.
Update Service using a PC
You can update your phone using a
USB cable and an Internet-connected
PC.
Make sure all personal data in your phone
memory is backed up before you perform
an update using a PC. See Backing up
and restoring on page 43.
To use Update Service using a PC
• Go to
www.sonyericsson.com/updateservice.
Locks
SIM card lock
This lock only protects your
subscription. Your phone will work with
a new SIM card. If the lock is on, you
have to enter a PIN (Personal Identity
Number).
If you enter your PIN incorrectly three
times in a row, the SIM card is blocked
and you need to enter your PUK
(Personal Unblocking Key). Your PIN
and PUK are supplied by your network
operator.
To unblock the SIM card
1 When PIN blocked appears, enter your
PUK and select OK.
2 Enter a new four-to-eight-digit PIN and
select OK.
3 Re-enter the new PIN and select OK.
To edit the PIN
1 Select Menu > Settings > General >
Security > Locks > SIM protection >
Change PIN.
2 Enter your PIN and select OK.
3 Enter a new four-to-eight-digit PIN and
select OK.
4 Re-enter the new PIN and select OK.
If Codes do not match appears, you
entered the new PIN incorrectly. If Wrong
PIN appears, followed by Old PIN:, you
entered your old PIN incorrectly.
To use the SIM card lock
1 Select Menu > Settings > General >
Security > Locks > SIM protection >
Protection.
2 Select an option.
3 Enter your PIN and select OK.
Phone lock
You can stop unauthorised use of your
phone. Change the phone lock code
(0000) to any four-to-eight-digit
personal code.
It is important that you remember your
new code. If you forget it, you have to take
your phone to your local Sony Ericsson
retailer.
To use the phone lock
1 Select Menu > Settings > General >
Security > Locks > Phone protection >
Protection.
2 Select an option.
3 Enter the phone lock code and select
OK.
To unlock the phone
• Enter your code and select OK.
To change the phone lock code
1 Select Menu > Settings > General >
Security > Locks > Phone protection >
Change code.
2 Enter the old code and select OK.
3 Enter the new code and select OK.
4 Repeat the code and select OK.
Keypad lock
You can set this lock to avoid
accidental dialling. Incoming calls can
be answered without unlocking the
keypad.
Calls to the international emergency
number 112 can still be made.
To use the automatic keylock
1 Select Menu > Settings > General >
Security > Automatic keylock.
2 Select an option.
To unlock the keypad manually
• From standby press any key and select
Unlock > OK.
IMEI number
Keep a copy of your IMEI (International
Mobile Equipment Identity) number in
case your phone is stolen.
To view your IMEI number
• Press , , , , .
Troubleshooting
Some problems can be fixed using
Update Service. Using Update Service
on regular basis will optimize the
phone’s performance. See Update
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, 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.
Troubleshooting
To reset the phone
1 Select Menu > Settings > General >
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 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 Internet-based services
Your subscription does not include
data capability. Settings are missing or
incorrect.
You can download settings using the
setup wizard or by going to
www.sonyericsson.com/support.
To download settings
1 Select Menu > Settings > User help >
Settings download.
2 Follow the instructions that appear.
Contact your network operator or service
provider for more information.
I cannot send messages from my
phone
Most messages require a service
centre number to send them. 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 send most picture messages, you
must set an MMS profile and the
address of your message server. If no
MMS profile or message server exists,
you can receive all the settings
automatically from your network
operator, download settings using the
setup wizard or at
www.sonyericsson.com/support.
