In article <tpHhi.23396$C96.16677@newssvr23.news.prodigy.net> ,
catherine yronwode <cat@luckymojo.com> wrote:
>What is the SIM card default unlock for a Cingular SIM card in the usa?
>
>That is, I've unlocked the subsidy from the Motorola cell phone but now I
>can't use the original Cingular SIM card in any phone? What did I do wrong?
>
>Here's what happened:
>1. I called ATT/Cingular and requested a "subsidy unlock code" which was
>emailed to me a day later (see email below).
>
>2. The ATT/Cingular instructions said I had to put a non-Cingular SIM card
>in so I put in a T-Mobile SIM card (which was working fine in another
>phone).
>
>3. So, I popped the non-ATT/Cingular SIM card in the Motorola RAZR and the
>Motorola RAZR asked for the 8-digit subsidy unlock code which I entered and
>hit OK and it said it was unlocked. I made a phone call using the T-Mobile
>SIM card to prove the subsidy unlock worked.
>
>4. HOWEVER, when I put the original working Cingular SIM card back into the
>Motorola phone, it then kept saying "Enter Unlock Code" where it expects 4
>digits. I tried 0000, 1245, 5678, 0123, 9999, 6666, etc (every combination
>I can think of) but I can't get past this Cingular SIM card unlock (which
>isn't the subsidy unlock).

The default PIN1 on Cingular SIM cards is 1111.

The default PIN2 is 2222.