Trying to get the new Dell Inspiron 1012 with Intel 6250 to work on Sprint’s WiMAX (4G). CDMA worked fine and normal wireless LAN functioned perfectly, yet 4G was elusive.
Then I found http://ubuntuforums.org/showthread.php?t=1508183
cd wlwifi-6050-ucode-9.201.4.1
sudo cp iwlwifi-6050-4.ucode /lib/firmware
sudo chmod 644 /lib/firmware/iwlwifi*
sudo chown root:root /lib/firmware/iwlwifi*
sudo rmmod -f iwlagn
sudo modprobe iwlagn
QuantumTom 