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

2

Select Settings

Select Settings
3

Scroll to and select Security & biometrics

Scroll to and select Security & biometrics
4

Scroll to and select SIM card lock

Scroll to and select SIM card lock
5

Select Change SIM PIN

Select Change SIM PIN
6

Enter your Old SIM PIN and select OK

Enter your Old SIM PIN and select OK

Old SIM PIN

7

Enter your New SIM PIN and select OK

Enter your New SIM PIN and select OK

New SIM PIN

8

Confirm your new SIM PIN and select OK

Confirm your new SIM PIN and select OK

Confirm new SIM PIN

9

Your SIM PIN has been changed

Your SIM PIN has been changed
10

To activate your screen lock, return to the Security menu and select Screen lock

To activate your screen lock, return to the Security menu and select Screen lock
11

Select Pattern

Select Pattern
12

Draw an unlock pattern and select Next

13

Draw the unlock pattern again and select Confirm

14

Select your preferred option and select Done

Select your preferred option and select Done
15

Your phone is now secure with a screen lock

Your phone is now secure with a screen lock
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Secure phone

TCL 20L+

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