I have a Lenovo x201 with Intel Corporation Centrino Advanced-N 6200 network controller. I installed an debian jessie with default linux-image-3.16.0-4-amd64 (3.16.7-ckt9-2 kernel) and the wifi did not work with it. Now i have an linux-image-3.16-2-amd64 (3.16.3-2 kernel) and linux-image-3.16-1-amd64 (3.16.2-2 kernel) and wifi works with both.