[yitz11]

someone gave me a galaxy s7 that they bought on ebay and i thoght it was unlocked but when i put a sim inside it says invalid sim its a sprint phone so i went to a shop and i called them and everytime i get another answer "its unlocked from sprint and someone relocked it" or "its a stolen phone" how can i unlock it????

[anon(9602380)]

Welcome to Android Central.

Should like there's a real good chance it's a blacklisted phone due to being stolen. If that's the case there is nothing you can do to get it working.