Sony Ericsson Z750a Locks, General tab Time & date Date, General tab Time & date My time zone

Z750a_UG_AT&T_P1C_AE.book Page 50 Wednesday, September 12, 2007 8:18 AM

To set the date

1From standby select Menu > Settings

>the General tab > Time & date

>Date.

2Enter the date and select Save.

To set the time zone

1From standby select Menu > Settings

>the General tab > Time & date

>My time zone.

2Select the time zone you are in by city.

If you select a city, My time zone also updates the time when daylight saving time changes.

Locks

SmartChip lock

This lock only protects your subscription. Your phone will work with a new SmartChip. 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 SmartChip is blocked and you need to enter your PUK (Personal Unblocking Key). Your PIN and PUK are supplied by AT&T.

To unblock the SmartChip

1When PIN blocked appears, enter your PUK and select OK.

2Enter a new four-to-eight-digit PIN and select OK.

3Re-enter the new PIN and select OK. 50 More features

Preflighted by ( )

To edit the PIN

1From standby select Menu > Settings

>the General tab > Security > Locks

>SmartChip protection > Change PIN or Change PIN2.

2Enter your PIN and select OK.

3Enter a new four-to-eight-digit PIN and select OK.

4Re-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 SmartChip lock

1From standby select Menu > Settings

>the General tab > Security > Locks

>SmartChip protection > Protection.

2Select an option.

3Enter your PIN and select OK.

Phonelock

You can stop unauthorized use of your phone. Change the phonelock 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.