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1

Before you start

If you would like to change the SIM pin code, start from the next step. If you would like to set up a lock screen on your phone, jump to step 11. Make sure you have your Public SIM PIN before you start the guide.

2

Swipe left

Swipe left
3

Select Settings

Select Settings
4

Scroll to and select Security

Scroll to and select Security
5

Scroll to and select SIM card lock

Scroll to and select SIM card lock
6

Select Public and Change SIM PIN

7

Enter your Old SIM PIN and select OK

8

Enter your New SIM PIN and select OK

9

Confirm your new SIM PIN and select OK

10

Your SIM PIN has been changed

11

To activate your screen lock, go to the Settings menu and select Security

To activate your screen lock, go to the Settings menu and select Security
12

Select Screen lock

Select Screen lock
13

Select Pattern

Select Pattern
14

Draw an unlock pattern

15

Select Next

16

Draw the unlock pattern again

17

Select Confirm

18

Select your preferred option and select Done

Select your preferred option and select Done
19

Your phone is now secure with a screen lock

Your phone is now secure with a screen lock
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Secure phone

Vivo Y12s

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