Dumbphone

An odd use of the bastardised phrase from the US, with Stevie Smith in the Tech Herald writing of the new Blackberry smartphone thingummyjig -
And, when Research In Motion describes a handset as “fully featured” it certainly doesn’t offer up a half-baked product that’s all mouth and no trousers.

Even with the proper phrase, that wouldn't have made a great deal of sense - it never quite works when applied to inanimate objects.