How to fix iPhone X with No Display or No Image

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How to fix iPhone X with No Display or No Image
Device iPhone X
Affects part(s) Main Logic Board
Needs equipment Soldering Iron, Hot Air Station, Microscope
Difficulty ◉◉◉◌ Hard
Type BGA, Soldering


Problem description

How to fix an iPhone X with No Image or No Display. Sometimes it is referred to as "No Backlight" although iPhone X uses an OLED screen, so there's no backlight.

Example image (Figure 1) -- No image yet. Help expand this page by uploading it!

Symptoms

  • Phone turns on but nothing displays on the screen
  • Screen always stays black
  • You can hear sounds & feel vibrations.

Solution

  • Diode mode the display connector (J5700) & check for any shorts or OL (Open Lines).
  • In most cases, you'll find PP3V0_DISPLAY_CONN filter FL5783 is blown & needs to be replaced.
  • In other cases, you may find one or more of the 5 chokes L5700, L5710, L5730, L5740 or L5720 is damaged or broken from pry damage
  • In rare cases, you may discover there is long screw damage in the screw hole next to the battery connector, which will sever image lines from the chokes mentioned above.