samsung galaxy s7 weird pink smudge

[AC Question]

so i got my s7 from repair 2 days ago cuz it had the pink line and yesterday i saw dust on the speaker mesh and i blow in it and then later that night there was moisture inside and i couldnt get it out and today this weird pink smudge appeared

 

[B. Diddy]

Welcome to Android Central! Discolored smudges usually mean the screen is damaged. Who repaired it? Bring the phone back to them and ask them what they can do about it.