Does it affect the fit of my case? Kris March 23, 2022 08:42 It does not! Ethos is only 0.4mm thick and is specifically designed to fit between your case and your smartphone. Related articles I ordered the wrong case/received the wrong case, can I get an exchange? How do I know it’s working? Do I have to buy a new one if I get a new case? What is the lifespan? Comments 0 comments Article is closed for comments.