Sprint Nextel U727 - Manual (Page 49)

Section 2A: Installing the Sprint Mobile Broadband USB Modem 41
4. Click Continue once the Sprint Activation Utility recognizes
your device.
5. The Sprint Activation Utility dialog will indicate that the
device is ready to be activated. Click Activate.
6. The Sprint Activation Utility will display “Activation In
Progress.” (This may take several minutes.)