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Troubleshooting
General
Problem
None of the lights
are illuminated
Signal Strength
light is solid red
Signal Strength
light is blinking red
Possible Solution
• Make sure there is AC power to the AT&T Wireless Internet
device. Do not connect to an AC outlet controlled by a
wall switch.
• Slide the On/Off switch (on the back of the device) to
the ON position. The Power
• Move your device to another area with sufficient network
signal (three [3] to four [4] bars).
• The SIM card may be missing or not installed properly.
1) Remove the bottom of the device, and then remove the
backup battery.
2) Locate the SIM card slot. Insert the SIM card into the slot.
The SIM card will click and lock in place when properly
installed in the correct orientation.
• The SIM card may be invalid or damaged, and may need to
be replaced. For a replacement SIM card, take your AT&T
Wireless Internet device to your local AT&T store, or call
AT&T Customer Care at 1-800-331-0500.
light should turn solid green.
27
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