Why does the following indicate unknown.
Settings > About phone > Status > My phone number
I too came across these sort of problems through one of my friends. I would like to suggest few consequences of this occurrence as It may be due to the phone number is not populated on the Subscriber Identity Module (SIM) card or the SIM card was not provisioned for the authorized phone to recognize the phone number else The phone number is programmed in the wrong slot on the SIM card.
samsung smart phones
cheapest smart phones
Go to Contacts->Settings->Own numbers
here you can enter your number.
On Androids you cannot edit the phone number in the SIM. I successfully edited it on a Blackberry.
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