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Section 2C: Menu Options 99
To change your lock code:
1. Select Menu > Settings > Sprint Mobile Broadband - Novatel
Wireless .
2. Click the Change User Lock button. The Change User Lock
Code window appears.
3. Enter your new four-digit lock code into the dialog box.
4. Re-enter your new lock code.
5. Select a lock status: Unlock to leave the device unlocked; or
Lock to enable the lock code feature immediately.
Updating Your Device’s PRL
Your Sprint Mobile Broadband USB Modem contains a PRL (Pre-
ferred Roaming List) that was programmed into your device. The
version of the PRL specifies the radio frequency channels that the
USB modem is permitted to use, and also instructs your USB
modem which cell towers to look for when establishing a connec-
tion. As new EV-DO towers become available, your PRL will become
out of date. For example, you may be in an EV-DO service area, but
if your device doesn't have the cell tower information in the PRL, it
won't know where to find the new tower.
Keeping the PRL up-to-date provides for faster roaming signal
acquisition, improved international roaming, and, on EV-DO
devices, better acquisition of EV-DO data services, as Sprint is con-
tinually installing new towers that may be closer to you that offer
better signal strength.
Tip:
Your default lock code is the last four digits of your device’s
phone number. If you can’t recall your device’s phone number,
go to Menu > Device Info and Diagnostics or call Sprint
Customer Service at 1-888-211-4727.
Note:
Activating your device resets the lock code to the last four
digits of the most recently activated phone number.