Samsung Galaxy A12 A125F Backlight Solution

Samsung Galaxy A12 A125F Backlight Solution

In this post, we will share with you the Samsung Galaxy A12 A125F Backlight Solution to water or ground fall.

Samsung Galaxy A12 A125F without screen light usually has signs such as LCD screen is not visible, LCD screen is white, or there is no light produced by LCD screen, but ringing and notification sounds can still be heard. newspaper.

About Samsung Galaxy A12 A125F

Samsung Galaxy A12 launched on November 24, 2020. The phone comes with a 6.5-inch touchscreen display with 720x1600 pixel resolution and 20:9 aspect ratio.

Samsung Galaxy A12 is provided with octa-core MediaTek Helio P35 (MT6765) processor clocked at 1.8GHz, with 4 cores clocked at 1.8GHz and 4 cores clocked at 2.3GHz.

The phone comes with 4GB RAM, runs Android 10, and is powered by a 5000mAh battery with fast charging support.

Solution to fix Samsung Galaxy A12 A125F backlight loss problem

In order to fix the Samsung Galaxy A12 A125F backlight problem, you need to try a new screen replacement first to easily confirm if the LCD's LED is still working or has been damaged. You can also test the LEDs using a multimeter if you can test the monitor connection the display damages them.

If the newly replaced LCD is still not showing and the LED is not lit refer to the solution below to locate the marked components on the mainbroad.

Signs to identify Samsung Galaxy A12 A125F lost screen light

White screen
Not displayed
Screen light is weak
No screen light

If your Samsung Galaxy A12 A125F phone is experiencing one of the above symptoms, take a few steps to fix the problem.

1. Replace screen Samsung Galaxy A12 A125F

The first thing to do when faced with such damage is to try a new screen replacement. This can be applied if your phone has broken or cracked screen due to grounding or impact. By replacing the new LCD Samsung Galaxy A12 the problem can be fixed.

2. Check circuit and connect Samsung Galaxy A12 A125F

In case the phone gets into water, causing damage to the screen light, you should disassemble the phone to conduct a check. Normally water will corrode and rust on the circuit, the connection will cause the circuit to break. In this case, you need to clean the rust, if the circuit is broken, please re-fish according to the diagram.

3. Check and replace internal components

If the LCD screen and circuit are in good condition but there is damage to the backlight on your phone, be sure the problem may be with the internal components. The schematic image that VietNamGSM provides can be a helpful guide to help you repair a broken backlight.

Do that on each component, if any component is defective, replace the component with the same type and index. Try to check the diodes as well as the coils marked on the picture, which are often fragile components and lead to screen failure.
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