No WiFi on Dell Inspiron 5559 with Debian Jessie and Kernel 4.2

How to resolve WiFi issues on Dell Inspiron 5559 running Debian Jessie with kernel 4.2.

How to Resolve on Debian Jessie

For custom +4.2 kernels, check this link and download the appropriate wireless driver:

Reload the module:

WiFi should be working now.

The lspci snippet: