If you are specifically looking for an unlocked Galaxy S7, you will primarily find them through secondary marketplaces or as refurbished units:
: 3,000 mAh with fast wired and wireless charging support. samsung s7 best buy unlocked
: 12MP rear camera with Dual Pixel technology and f/1.7 aperture; 5MP front camera. Durability : IP68 water and dust resistance. Storage : 32GB internal, expandable via microSD up to 200GB. If you are specifically looking for an unlocked