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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

Select Settings

Select Settings
3

Scroll to and select Security & privacy

Scroll to and select Security & privacy
4

Select More settings

Select More settings
5

Select Encryption and credentials

Select Encryption and credentials
6

Select Set SIM lock

Select Set SIM lock
7

Select SIM 1 or SIM 2 and select Change SIM PIN

Select SIM 1 or SIM 2 and select Change SIM PIN
8

Enter your Old SIM PIN and select OK

Enter your Old SIM PIN and select OK

Old SIM PIN

9

Enter your New SIM PIN and select OK

Enter your New SIM PIN and select OK

New SIM PIN

10

Confirm your new SIM PIN and select OK

Confirm your new SIM PIN and select OK

Confirm new SIM PIN

11

Your SIM PIN has been changed

Your SIM PIN has been changed
12

To activate your screen lock, go to the Security & privacy menu and select Lock screen password

To activate your screen lock, go to the Security & privacy menu and select Lock screen password
13

Select Set lock screen password

Select Set lock screen password
14

Select CHANGE UNLOCK METHOD

Select CHANGE UNLOCK METHOD
15

Select Pattern

Select Pattern
16

Draw an unlock pattern

Draw an unlock pattern
17

Draw the unlock pattern again

Draw the unlock pattern again
18

Select Done

Select Done
19

Select CANCEL

Select CANCEL
20

Your phone is now secure with a screen lock

Your phone is now secure with a screen lock
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Secure phone

Huawei Mate 9

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