Assuming it is similar to the Nano3 have you tried logging in via the webpage interface rather than via the ap? On my one you start with webpage address 192.168.168.168 then login the miner to your network- from there you login to the miners address on your network (in my case 192.168.8.103 (the last three digits changes sometimes depending on what other devices are using the network router)) and then you have overview and settings...think Ive seen something about firmware update in there but never tried it on the Nano3.