Because major retailers and Verizon no longer stock the S7, you will need to look at secondary markets: Used & Refurbished Samsung Galaxy S7 - Back Market
Finding a Samsung Galaxy S7 (Verizon model: SM-G930V) today is primarily a search through the used and refurbished market, as the device was released in 2016. While iconic, its hardware and software are significantly dated for modern daily use. 🛒 Where to Buy buy galaxy s7 verizon