Sony LT29i User Manual

1

Before you start, be sure to back up any important data that is saved on the

internal memory of your device to a memory card or other non-internal memory.

2

From your Home screen, tap  .

3

Find and tap Settings > Backup & reset > Factory data reset.

4

To delete information, such as pictures and music, from your internal storage,

mark the Erase internal storage checkbox.

5

Tap Reset phone.

6

To confirm, tap Erase everything.

Locking and protecting your device

IMEI number

Every device has a unique IMEI (International Mobile Equipment Identity) number.

You should keep a copy of this number. If your device is stolen, your network provider

can use your IMEI number to stop the device from accessing the network in your

country.

To view your IMEI number

•

Turn off your device, then remove the battery cover and battery to view your IMEI

number.

•

Open the phone dialer on your device and enter 

*#06#*

.

To view your IMEI number in the device

1

From your Home screen, tap  .

2

Find and tap Settings > About phone > Status.

3

Scroll to IMEI to view the IMEI number.

Setting a screen lock

There are several ways to lock the screen on your device. For example, you can use

the Face Unlock feature, which uses a picture of your face to unlock the screen. You

can also set a screen unlock pattern, a number-based PIN lock, or a text-based

password.
It is very important that you remember your screen unlock pattern, PIN or password. If

you forget this information, it may not be possible to restore important data such as

contacts and messages. Refer to Sony customer support for more information.

To set a screen lock

1

From your Home screen, tap   > Settings > Security > Screen lock.

2

Select an option.

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