In this post we will provide solutions to repair the damage Samsung Galaxy A21s A217 Display Light Problem, LCD Backlight Ways, If you get a case with the display problem on the phone display or the light on the screen does not work properly.
It may be possible to damage the LCD display of the Samsung Galaxy A21s A217. You can put it by trying to replace it with LCD which condition is good.
But if the Samsung Galaxy A21s A217 screen is flashing or low light or there is absolutely no backlight.
It is crucial that it is not on the LCD display, then in resolving this case you have to do the demolition on the Samsung Galaxy A02s A025 phone Problem with no backlight LCD and try to do a screen socket check if the screen socket is saggy try to re-attach the condition back to normal
If rust and corrosion are found in the Samsung Galaxy A21s A217 screen socket immediately. Do the cleaning by using alcohol fluid and brushed to allow rust and corrosion on the screen socket to disappear.
Usually, if there is no backlight damage or no display on an Android phone, you will still be able to hear the voice of the phone ringtone and other notification tones, but because it is constrained by the not seen the picture on the phone will be It is difficult for us to do the operate Samsung Galaxy A21s A217 which is being constrained by the damage no backlight or no display.
Some things that can have caused the phone SSamsung Galaxy A21s A217 No backlight display among others:
- The result of a dropped phone.
- The phone falls and the screen breaks.
- Xiaomi phones exposed to liquids or water.
- Damage to internal components Samsung Galaxy A21s.
What is the LCD and backlight on the screen?
An LCD is a digital display interface of your phone, it is an interactive part where you see what happens when you operate or tap on the icon, watch a video, play music or games, etc. When the LCD (Liquid Crystal Display) is damaged or destroyed, you will not be able to enjoy it as before.
This is where the LCD backlight comes in, the backlight is a set of LEDs (Light-emitting Diodes) and fits well in the screen layer to provide illumination to the LCD screen. When the LED multiplicands the damage, it’s likely the screen will turn black without being able to produce images and light, which means you won’t be able to see anything!
Step 1- Replace The Samsung Galaxy A21s A217 Display
Step 2- Re-install The Firmware On The Samsung Phone
Step 3- Check The Lcd Display Socket
After that try to check the entire socket on the PCB board, especially on the LCD display socket. It could possibly There is corrosion or rust contained in the socket, immediately do the cleaning using the liquid alcohol and assisted by brushed, so that the socket condition is clean again, and do a resoldering when the socket encountered detached.
Step 4- Check Backlight And Display Line Jumper
In the diagram image of the path that is connected to each component, you can do the examination by using the Multimeter. When encountered damage to the track, then it can be done jumper path, for normal return condition.
Step 5- Perform Component Switching
With the diagram drawing guide, you can perform checks on interconnected components. If there is a defective component after checking and measuring using a multimeter. You can make changes The new component with the same value.
Hopefully with a guide through the diagram image that has been given. You have got the best solution to the problem.
Please note, Do check on any phone damage carefully, in order to avoid increased damage and will harm yourself. Thanks.