I tried do sudo ifconfig wlan0 up but device stays not ready. So you see, it doesn't work. But iwconfig also shows up. ifconfig wlan0 down is a work it.
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I tried do sudo ifconfig wlan0 up but device stays not ready. So you see, it doesn't work. But iwconfig also shows up. ifconfig wlan0 down is a work it.
Being up and being ready for what?
Did you change the MAC address?
reset the MAC to default