Repair Redmi Note 4 Display Light Problem | Backlight Ways
In this guide, I will show you how to deal with Xiaomi Redmi Note 4 LCD backlight ways or display light problem-related issues of the smartphone as using smartphones comes with loads of backdrops in the long run while we strive to get the best phone user experience we can possibly desire! Maintaining a lasting phone screen display.
The solution in this post is for Redmi Note 4 Backlight Way and Display light problem jumper solution full LCD ways display connection line paths in case you are going to troubleshoot display problem such blank display, dark screen display, white screen (with tones), No backlight LED that is resulted from due to wet damaged or accidentally dropped issues by the users.
What Is An Redmi Note 4 LCD or Backlight?
To start with, an LCD is the digital display interface of your phone, it is the interactive part where you see what goes on as you operate or tap on an icon, watch a video, play music or games, etc. When the LCD (liquid crystal display) is faulty or damaged, you won’t be able to enjoy it as before. This is where the LCD backlight comes in, the backlight is a series of LEDs (light-emitting diodes) well arranged and suited in the screen layers to give illumination to the LCD screen.
Redmi Note 4 LCD Backlight Problem Solution
To fix the dark screen Redmi Note 4 backlight problem, you may first try to replace or install a new Display screen module, to easily confirm if the LCD’s backlight LED’s were still working or already damaged. You can also check the LED’s using the multimeter if you can manage without damaging the LCD flex connector. If the newly installed LCD still shows the same problem and the LED light doesn’t light up, refer to the solution below and locate the highlighted components on the PCB board.
Redmi Note 4 Backlight problems that you might encounter:
- White Display
- No Display
- Lines on Display
- Low Light on Display
- No Backlight
Redmi Note 4 Backlight Way Display Light Problem Jumper Solution:
- Check the LCD for possible damaged, cracked, or broken. Replace if necessary.
- Check the device firmware, and do a self-test and calibration method. update or flash the firmware.
- Check the LCD pin connector for possible damaged. Clean, re-solder or replace if necessary.
- Now Check Continuity between the Display connector to the resistor compounds. if any of then is track missing then make a jumper.
- If the above procedures don’t fix the problem the possible faulty is the main engine IC. Try to re-heater rework it.
How To Repair Redmi Note 4 Backlight Problem?
- Clean both connectors at the motherboard and display strip links pinpoint.
- After cleaning try to test your issue by power on your cell phone.
- The problem is coming from missing light pinpoints commonly. Try to make direct same as the image diagram above.
- If the light current is showing at the connector pinpoints. Test and replace the display lights LED.
- If there is no current at the connector pins. Try to clean or test the light controller chip.
- For the faulted display lights from the front panel, You need to fix it by repairing the lights section.
If you have further questions please leave a comment. Note: Please note that even though every solution posted on our website is tested by one or more members of our team before posting, but still we do not take any responsibility for any damage it may cause to your cell phones. Use these repairing solutions at your own risk. Thank You.