| Problem | Explanation | Solution | | :--- | :--- | :--- | | | Your carrier did not write the number to the SIM card. This is very common, especially with prepaid SIMs or MVNOs (like Mint, Visible, Cricket). | Use Method 3 (SIM Toolkit) or Method 5 (Call a friend) . You cannot manually edit this field on most Android phones without root access. | | Number is Wrong | You are using a second-hand SIM, a corporate SIM, or a reprogrammed SIM. | You must contact your carrier to correct it. You cannot edit it yourself on standard Android. | | Dual SIM Phone | You are looking at the wrong SIM slot. | Go to Settings > About Phone > SIM 1 Status and SIM 2 Status (or "Card 1" / "Card 2"). |
Sometimes, the phone number field inside Android settings shows . This is a frequent issue caused by specific technical reasons. how to check your phone number on android