Samsung Galaxy A12 A125F Backlight Ways | Display Light Problem Solution

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In this post, you will get the latest solution of Samsung Galaxy A12 A125F Backlight Ways 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.

Samsung Galaxy A12 A125F problem of no backlight is often symptomatic like an LCD that has no display, the LCD screen becomes white. Or in general, there is no light produced by the LCD screen but the ringing and notification sound can still be heard.

ABOUT Samsung Galaxy A12 A125F

Samsung Galaxy A12 was launched on 24th November 2020. The phone comes with a 6.50-inch touchscreen display with a resolution of 720×1600 pixels and an aspect ratio of 20:9.

Samsung Galaxy A12 is powered by a 1.8GHz octa-core MediaTek Helio P35 (MT6765) processor that features 4 cores clocked at 1.8GHz and 4 cores clocked at 2.3GHz.

It comes with 4GB of RAM. The Samsung Galaxy A12 runs Android 10 and is powered by a 5000mAh battery. The Samsung Galaxy A12 supports proprietary fast charging.

What Is An Samsung Galaxy A12 A125F Backlight Or LCD ?

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.

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Samsung Galaxy A12 A125F Backlight Ways Solution

To fix the dark screen Samsung Galaxy A12 A125F 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. Samsung Galaxy A12 A125F Backlight Ways   Display Light Problem Solution

Samsung Galaxy A12 Backlight problems that you might encounter:

  • White Display
  • No Display
  • Lines on Display
  • Low Light on Display
  • No Backlight
If Samsung Galaxy A12 A125F phone you have had one of the symptoms described above. Than can be done some repair steps that can overcome the damage.

1. Make changes to the LCD screen

The first thing to do if experiencing such damage is to try replacing the new LCD part with a good condition. This can be applied if your phone has a burst or crack on the screen from falling firmly. By trying to replace the new LCD, hopefully, this damaging problem can be solved.

2. Check the line and the LCD socket

No backlight damage to a phone can be caused by the fluid that enters the phone. And damages the line and the LCD socket on the Motherboard. So to fix it, it is recommended to uninstall all parts of the phone in order to perform the check. Usually, water will corrode and rust on the track and socket and impact the breaking path. So for the step repair immediately clean the corrosion and rust, if there is a path that broke immediately repair with the path jumper method.

3. Check and replace internal components

If the condition of the LCD and the line is in good condition, but suddenly there is backlight damage on your phone. Then it can certainly occur problems in the internal components. The diagram image that Mobilintec Team provides can be a guide for you in trying to fix the backlight damaged
 
Perform measurements on each component, if there is a defective component then immediately turn with components of the same type and value. Try to check the components of the diode as well as the coil that has been marked on the diagram image. Often the component is damaged and results in the appearance of the backlight display.
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