Chosen Solution
i’m no idea how this sad happen .I never dropped my phone or into water. Today when i’m reading novel the white line suddenly popup slowly. After that i try restart the line still leaving….why ….
seng, take iphone apart and try reseating the cables, this may fix the issue. Check the attached links,instruction and guides on how to access cables , Good luck. I hope this helped you out, if so let me know by pressing the helpful button. https://www.youtube.com/watch?v=vObeEEWF… https://www.youtube.com/watch?v=oMQZv7bf…
It’s usually damaged ribbons or the screen connectors aren’t pushed on correctly. The May need cleaning too.