Unknown Android Settings — Phone Number

: When you move a phone number from an old carrier to a new one, the new SIM card often retains the temporary number it was originally assigned or remains blank.

While the status itself is harmless, you can often manually force the number to appear using these methods: Why is my phone number shown as unknown in settings? Phone Number Unknown Android Settings

The "About Phone" or "SIM Status" section in your settings reads a specific property on your SIM card. If this property is empty, Android defaults to displaying "Unknown". : When you move a phone number from

: Modern carriers, especially those using eSIMs, frequently leave this field blank as it is technically optional for network functionality. especially those using eSIMs