You may experience the following issue with your Sprint 3G/4G USB Modem U300.

When using the Sprint 3G/4G U300 USB modem in 4G (WiMAX) mode/market, you may experience higher consumption of your laptop's battery power.

To improve your laptop battery life:

• Fully charge your laptop battery before using the U300 to access the Sprint 4G Network.
• Limit the use of other applications that may drain your laptop battery power.
• If using an older laptop and/or are using an older/original battery, consider purchasing a new laptop battery as a replacement or to use as a back-up.

Note: At any time, you can check that you have the latest software version for your device. For instructions on how to check your software version and update your software, refer to Check for Updates.