I applied through university. I interviewed at Qualcomm
Interview
The internship was the 3-month interview process. At the end of it, there is a presentation for your solutions to the problems posed. You are given freedom to arrive at the solution yourself and you are assigned a mentor.
Interview questions [1]
Question 1
Fundamental questions from Operating Systems, digital design, memory design, and programming. Nothing fancy if you have a Ph.D. in CE. Otherwise, atleast do courses in OS and advanced VLSI/SoC design.