Daily Tech Impressions

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Subscriber Identity Module's tag archives

Advantages of Unlocked Cell Phones

Posted by Shawn Lippert in Sunday, May 4th 2008

4
May

Overview
I used to manage wireless shops for T-mobile, Cingular, and AT&T in Las Vegas Nevada for about 5 years. AT&T used to be strictly (TDMA) Time Division Multiple Access then they switched over to (GSM) Global System for Mobile Communications. The first company to implement GSM was Bellsouth which then became Cingular Wireless .
GSM
Now with […]

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Spy and Retrieve SIM Recovery Pro

Posted by Shawn Lippert in Saturday, April 12th 2008

12
Apr

Overview of the Spy and Retrieve SIM Recovery Pro
We have all lost information on our cell phones. What i like about SIM (Subscriber Identity Module) cards is the portability to transfer to any other unlocked SIM phone. Sometimes though you don’t save stuff to your SIM and you have to copy information from your phone […]

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