Sony Mobile Communications Inc A3252022 ユーザーズマニュアル
63
Troubleshooting
To use the phone lock
1
From stand-by select
Menu > Settings
>
the
General
tab
> Security
> Locks
> Phone protection > Protection
.
2
Select an option.
3
Enter the phone lock code and
select
select
OK
.
To unlock the phone
•
Enter your code and select
OK
.
To change the phone lock code
1
From stand-by select
Menu > Settings
>
the
General
tab
> 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
.
IMEI number
Keep a copy of your IMEI (International
Mobile Equipment Identity) number in
case your phone is stolen.
Keep a copy of your IMEI (International
Mobile Equipment Identity) number in
case your phone is stolen.
To view your IMEI number
•
From stand-by press
,
,
,
, .
Troubleshooting
Some problems will require you
to call your network operator.
to call your network operator.
For more support go to
www.sonyericsson.com/support.
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
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
If you select
Reset settings
, the
changes that you have made to
settings will be deleted.
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.
messages, personal data, and content
that you have downloaded, received
or edited will also be deleted.
To reset the phone
1
From stand-by select
Menu
> Settings
>
the
General
tab
> Master reset
.
2
Select an option.
3
Follow the instructions that appear.
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.
new code. If you forget it, you have to take
your phone to your local Sony Ericsson
retailer.
Z750i_UG_P1C_EN.book Page 63 Friday, July 27, 2007 11:54 AM
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