Siemens SX66: Unlocking not needed?

I was browsing Siemens SX66 phones on eBay, and it looks like all the
sellers claim that their phones are all unlocked by default. I asked
one seller a question about his. Can you tell me if what he wrote is
true?

eBay item #

You asked:
"Was this phone unlocked when you bought it, or did you take it
somewhere to unlock it? How do you know it is unlocked?"

Well I broght the phone from Cingular. All you have to do is call them
and activate it. There is a sim card in there but you will need to get
one for your area. I didn't take it anywhere to get it unlocked, it
just came standard from cingular. I hope this answered you question.
If you have anymore please feel free to contact me and thank you for
your interest in my item. Have a good day.


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"In the future, my private life will be expressed solely through art."
-- Britney Spears

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› See More: Siemens SX66: Unlocking not needed?

Total LIE!!!!

I bought one off EBay and got it Monday. I put in my T-Mobile SIM and it said, "Insert Valid SIM Card." (or something pretty close). I used the info from BrianSkibinski;

"Some excellent work has been done on the HTC all in one unlocker tool over at XDA, and it now supports the SX66

Today I sucessfully unlocked my Siemens SX-66. program is really quick and easy too.

http://forum.xda-developers.com/viewtopic.php?t=24779

Using System ROM: 1.40.00
Using Extended ROM 1.40.124
Radio: 1.13.00
BT: 1.0.0 Build 3900"

And then put in my T-Mobile SIM and it connected immediately to T-Mobile. I haven't actived GPRS yet, put I don't see any potential problems using it on their network and haven't encountered any problems thus far.