First, yes Apple should replace it if you put the original screen back and it doesn't look like it's been tempered with.
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First, yes Apple should replace the screen for a charge, if you put the original screen back and it doesn't look like it's been tempered with; that's assuming that the damage is at the level of the screen. If the damage is at board level, they'll try changing the screen, then tell you that a new screen did not solve the issue and you'll need to pay a replacement fee for the whole phone. They'll consider that the accident that shattered the screen also damaged the board.
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Second, I had a screen that went dead on me today. I power cycled the phone (disconnected the battery) and it fixed it for me.
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Second, I had an iPhone 6's screen that went dead on me today. I power cycled the phone (disconnected the battery) and it fixed it for me.
Third, if the above doesn't help, did the screen work before you installed the shield and/or did you mix up the screws on the shield covering the screen's flat cables? You could've caused long-screw damage.
Fourth, on the replacement screen you used 1st, take a look at the flat cables of the screen. Do you see visible metal solder points where the backlight of the screen attaches to the LCD flat cable? If you can see those, that's bad news. You could've shorted the backlight circuit on the board and burnt a filter or worse. In which case, you can see images on the screen but they are extremely dim (you need low/no ambient light to be able to see an image in this case).
First, yes Apple should replace it if you put the original screen back and it doesn't look like it's been tempered with.
Second, I had a screen that went dead on me today. I power cycled the phone (disconnected the battery) and it fixed it for me.
Third, if the above doesn't help, did the screen work before you installed the shield and/or did you mix up the screws on the shield covering the screen's flat cables? You could've caused long-screw damage.
Fourth, on the replacement screen you used 1st, take a look at the flat cables of the screen. Do you see visible metal solder points where the backlight of the screen attaches to the LCD flat cable? If you can see those, that's bad news. You could've shorted the backlight circuit on the board and burnt a filter or worse. In which case, you can see images on the screen but they are extremely dim (you need low/no ambient light to be able to see an image in this case).