@blackview_admin - 

  thanks, I suspected as much.  Unfortunately my 21yr old purchased without researching.

  From the link in the chart you sent, however, it DOES show it should work with 2G on AT&T.  granted not optimal, but should still work no?

-chief

greets - just seeking confirmation that the P10000 pro should work on AT&T in the U.S. son bought a phone, but does not connect to the cell network.  tried multiple SIM cards, it just won't get a connection. I've verified settings - all looks good.  phone recognizes SIM under "Settings -> A...