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.
Is your phone battery always at 4 percent?
These battery packs will give your device the extra juice to power through all of those texts and phone calls.