In the past few years, we have covered plenty of decent filmmaking rigs and video cages for iPhone and Android devices. The SmallRig Fold P10 iPhone Cage is also worth a look. It has an adjustable clamp that fits all smartphones from 63mm to 98mm with up to 12mm thickness.
This smartphone cage has built-in foldable handles. It has multiple threaded mounting holes and cold shoe mounts for attaching your microphones, lights, and other accessories. It supports wireless control of your phone.[where to get it]