Find out if you should be concerned about your Sprint 3G/4G USB Modem U300 feeling warm to the touch

Last Updated: Sep 15, 2015

When using the Sprint 3G/4G USB Modem U300, the device may become warm to the touch, especially when in 4G mode, but this is no reason for concern. This can occur whenever the device is transmitting at a high-level for an extended time or in a boundary area and jumping back and forth between systems.

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