Sony Ericsson C903 User Guide - Page 63

IMEI number, Troubleshooting, Common questions, Settings, General, Security, Automatic keylock, Unlock

Page 63 highlights

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 Service on page 56. 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 63 This is an Internet version of this publication. © Print only for private use.

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71

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
Service
on page 56.
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
63
This is an Internet version of this publication. © Print only for private use.