So, the filter where you can swap with pictures from your gallery isn't working for me. It keeps saying "No faces found in your device's photos. But of course I have photos with faces. Plenty of them. I'm using a Samsung Galaxy S5 SM-G900AZ on Android version 5.0 on Cricket. My phone is rooted but I'm not sure how that would affect anything.
Read more:
The new snapchat update isn't working and keeps saying No faces found in your device's photos?