Ive read through about 2 years worth of posts with people not being able to connect to wifi.
THe main problem i find is that the kernel is only good for USA. I use channel 14 for my wifi as most routers only use up to 11 as default so i have pretty clear comms where i live.
I have the same problems with RPI gui but not the none GUI version. I never have any problems with esp.
whats the easiest way to connect to regular UK wifi channels?