Like the title said i have a Samsung Galaxy S4 with a slight crack in the led and screen that has rendered the phone useless as i cannot see anything anymore. Anyway, If you are someone who has replaced a screen on a cellphone before how difficult do you think it would be to someone who has minimum experience operating on computer like things. Basically what i'm asking is, is it so easy someone who is dumb with computers could do it AKA me. OR should i pay the 130$ for some professional to do it.