>> I've seen that an image has been published. It is considered
>> stable/usable or not?
>> Trying to connect wifi I get the usual dialog, but no keyboard to type
>> the key. No virtual keyboard appear and I don't see any way to type it.
>> Is thee some configuration file that I can manually fill?
>
> Virtual keyboard can be enabled from "Settings->Text Input->Use Virtual
> Keyboard"

It seems reasonable for me to enable VKB automatically for devices that
don't have internal & external keyboards attached.