Google has dropped the "featured phone" filter in the URL error report section within Google Search Console. You can access the URL error reports under Current Status then Crawl Errors then Site Errors then URL Errors when you login to the Google Search Console.
Now, I see (a) desktop, (b) smartphone and (c) news (although many of you probably don't see news). It use to have an option for "feature phone," but it has now been removed.
Here is a screen shot from December 2013:
Here is a screen shot from yesterday:
I don't think many webmasters are going to miss this feature.
Update: Google has just posted a blog post about this change saying "we won't be using the feature-phone user-agents for crawling for search going forward." If you still have featured phone support, then use "handheld" link annotations for dynamic serving of feature-phone content. Finally, they removed this report, which I mentioned above, from Search Console.
Forum discussion at WebmasterWorld.