Vertical lines on the left side of iPhone 4s after it fell down. Can it be fixed without replacing its screen? I accidentally dropped my iPhone 4s and vertical lines have appeared on the left side. Although, the screen did not break. The screen works well, but I can't see the other side of the screen.
this is how it looks: https://imgur.com/a/vlQZfkS

Can it be fixed without the need to replace the screen? I tried to shut it down and open it, but it didn't work. I tried a method I saw on YouTube where I would go to Settings app → Sounds → Ringtones and would play the ringtone and close and open the screen it did not work either.
Here's the link to the video i followed its' instructions : https://youtu.be/7CfYe_yNSDY
The video you're referencing appears to be a hoax of some sort. The steps shown in the video make no sense.

If your screen stopped working after your phone was dropped, the screen or some other part of the phone has probably been damaged, and will need to be replaced.