I have XIAOMI Redmi 6 phone, model M1804C3DG. Android version: 8.1.0, kernel version: 4.9.77+ .

There is no options in the menu to remove or change the pin of the sim. I have enabled developers options too, but no options are displayed related to the pin of the sim. If I insert this sim in another phone (ios operating system), the options to remove or change the pin is displayed in the menu, and it works: this means the sim works properly.

How to remove the pin, using this XIAOMI Redmi 6 phone?

Thank you

  1. Go to Settings -> Additional Settings -> Privacy.
  2. Find SIM Lock section, select the SIM you want to change the pin, then click on "Change SIM PIN".
| improve this answer | |
  • If there is the option "Lock Sim Card", enable it first, then change the pin. – Reddy Lutonadio Mar 20 '19 at 15:20

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