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PRL Updates
The Preferred Roaming List (PRL) is a database file that includes cell tower IDs and capabilities, a prioritized list of
towers the device is allowed to connect to, and the preferred connection order. Consider updating your PRL if you
have connection problems or if your carrier is updating cell towers in your area.
PRL updates for Sprint and Verizon are over the air updates. To update your PRL, issue the following commands.
For Sprint
AT+PRL=2
For Verizon
AT+CDV*22899
Other Carrier Notes
Congested cell towers may bump data devices.
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QuickCarrier USB-D MTD-H5 and MTD-EV3
- Quick Links:
- For Mtd-H5 Devices
- Installing a Sim Card
Hide quick links:
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