Over the years Samsung have brought out quite a few different variations on the Gear VR updating it most years. This often leads to confusion as to which foam replacement models can be used with which headset. The headset model numbers will look like this: SM-R320.
To clarify which foam you should buy:
The Samsung Gear VR Foam Replacement (Waterproof for Exhibitions) 2016 Model is compatible with:
- SM-R321
- SM-R322
The Samsung Gear VR Foam Replacement (Waterproof for Exhibitions) 2017 / 2018 Model is compatible with:
- SM-R323
- SM-R324
- SM-R325