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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 12. Make sure you have your Public SIM PIN before you start the guide.

2

Swipe up

Swipe up
3

Select Settings

Select Settings
4

Scroll to and select Biometrics and security

Scroll to and select Biometrics and security
5

Scroll to and select Other security settings

Scroll to and select Other security settings
6

Select Set up SIM card lock

Select Set up SIM card lock
7

Select Change SIM card PIN

Select Change SIM card PIN
8

Enter your Current SIM card PIN and select OK

Enter your Current SIM card PIN and select OK

Current SIM card PIN

9

Enter your New SIM card PIN and select OK

Enter your New SIM card PIN and select OK

New SIM card PIN

10

Confirm your new SIM card PIN and select OK

Confirm your new SIM card PIN and select OK

Confirm new SIM card PIN

11

Your SIM PIN has been changed

Your SIM PIN has been changed
12

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

To activate your screen lock, go to the Settings menu and select Lock screen
13

Select Screen lock type

Select Screen lock type
14

Select Pattern

Select Pattern
15

Draw an unlock pattern and select Continue

Draw an unlock pattern and select Continue
16

Draw the unlock pattern again and select Confirm

Draw the unlock pattern again and select Confirm
17

Select your preferred options and select Done

Select your preferred options and select Done
18

Your phone is now secure with a screen lock

Your phone is now secure with a screen lock
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Secure phone

Samsung Galaxy A03 Core

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