How to set the password of sim card?

The password of SIM card of mobile phone is PIN code, which needs to be set and changed in the settings of mobile phone. Taking honor as an example, the setting method is as follows:

Tools: glory P30, HarmonyOS system 12.3 system, set version 3.2 1.5.

1, click "Settings".

2. Click "Security".

3. Click More Security Settings.

4. Click Encryption and Credentials.

5. Click "Set Card 1 Lock".

6. Light up the small slider next to "Lock SIM Card".

7. Enter the initial SIM card password (usually: 1234 or 0000) and click OK.

8. Click "Modify SIM card PIN code".

9. Enter the PIN code of the old SIM card and click OK.

10, "Re-enter new PIN code" to confirm, and then click OK.