Newer firmware may help
wget http://git.marvell.com/?p=mwifiex-firmware.git;a=blob;f=mrvl/usb8797_uapsta.bin;h=0ce6c4ec307880d34bbef3b6ccd359617914f156;hb=e92f8b3f65443764297b947b1843955d9a65dde7sudo mv /lib/firmware/mrvl/usb8797_uapsta.bin /lib/firmware/mrvl/usb8797_uapsta.bin.baksudo cp ./mrvl_usb8797_uapsta.bin /lib/firmware/mrvl/usb8797_uapsta.binReboot
