Steve writes: > >I'd agree with the statement about the AT commands, but I do think its >probably possible to get unintended functionality out of the GSM modem >without resorting to decapping the chip. After all that is exactly what >the unlockers are doing. > >The unlockers are probably a major reason why TI is so paranoid about >the workings of their chipset since that is where the SIM and provider >locks are usually implemented. I wish I could give you more information >about the techniques they use, but I don't know what they are. It would >be interesting to find out, but FIC may not appreciate the discussion on >their mailing list either.
I hadn't thought of that -- now I do find myself wondering where and how the locks are really implemented....
