As much as Apple keeps hyping them up, those 4K 60fps videos will chew through your iPhone's storage space like you wouldn't believe. When you get to the point where you have to choose between keeping ...

I keep the resolution at 1080p, change the format to MP4, and adjust the quality slider to keep it looking great. This method helped me take a 1.2 GB file down to just 37.8 MB — with the same video ...