Credit sa may-ari post lang sana makatulong sa kapwa IOS users
1 .*********** sim card with chip
2. Enter to Emergency call - Long press to home button and release ( Side button for Iphone x )
3. Dial *5005*7672*00# or *5005*7672*88#
4.Choose "Edit ICCID input": and enter this 20 digit code...