Probably an M2x3.5 mm I show 8 needed. Do not have an S7 but suspect it is a flat head.
This probably has what you need (bit of overkill but for the price...)
Probably an M2x3.5 mm I show 8 needed. Do not have an S7 but suspect it is a flat head.
This probably has what you need (bit of overkill but for the price...)