US Robotics USR3520 User Manual page 15

Tip: When using an AT&T SIM card, select AT&T. For all other operators using SIM cards, select UMTS
generic.
7. Proceed with the wireless provider selection.

For Verizon Wireless and Sprint service
Make sure the service plan is already associated with the unit (MEID). Scroll down to the CDMA
section and click Start programming to complete the activation.
Revision: 1.00 Copyright 2015 U.S. Robotics Corporation 15 | P a g e