Reader Daniel found that the TDK modem's Country Selector software did not recognize the modem in the PC card (PCMCIA) slot. Renato Parisotto similarly reports that he could not even install the TDK software because the Installer refused to recognize the PCMCIA slot. He had the same problem ("no PCMCIA slot") with the TDK 33.6 Updater.
iPhone running slow?
Here are some quick fixes for some of the most common problem in iOS 7.