| IPhone 12 Screen Stays Dim and Can't Increase Brightness Repair | |
|---|---|
| Device | IPhone 12, IPhone 12 Pro, IPhone 12 Pro Max, iPhone 12 Mini |
| Affects part(s) | Motherboard |
| Needs equipment | screwdrivers, spudger |
| Difficulty | ◉◌◌◌ Easy |
| Type | Part replacement |
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Problem description
Diagnosis and repair of an iPhone 12 that will not allow you to adjust the brightness of the display.
Symptoms
- Phone shows Apple logo at full brightness
- Once it gets to the home screen the display gets really dark
- May be confused with "no backlight"
Solution
- Connect the ear speaker flex to get the brightness to work.
- if it still does not work, then the original ear speaker flex may be bad.
- In this case, try a new ear speaker flex (but you will lose Face ID)
Video explanation: https://www.youtube.com/watch?v=ShqQwVfsBcU