Xiaomi Poco X3 Pro Backlight Problem

To solve the problem of no backlight try to do a test to connect the monitor to see if it's loose, then reattach it to get it back to normal. If rust and corrosion are found in the Xiaomi Poco X3 Pro Backlight Problem, immediately clean it using an alcohol solution and brush to allow the rust and corrosion to disappear on the screen connector.

Step 1: Replace screen Xiaomi Poco X3 Pro

Proceed to replace the screen, if the Xiaomi Poco X3 Pro screen is broken or cracked, this may be the cause of the screen failure.

Xiaomi Poco X3 Pro Backlight Problem

Step 2: Reinstall the software on Xiaomi Poco X3 Pro

No backlight on Android phones can be caused by a bug in the phone's operating system. Then you can reinstall to solve the problem.

Step 3: Check the LCD screen connection

Then try to test the whole connection on the PCB board, especially on the LCD screen connection. Maybe the connection is corroded or rusty, clean it immediately with liquid alcohol and support with a brush, let the connection condition clean again and work on fixing it when the connection is separated.

Step 4: Make a circuit check and wire fishing

You can try to check if the line on the Xiaomi Poco X3 Pro phone board is damaged.

In the schematic image of the path connected to each component, you can check using a multimeter. When damage to the path is encountered, then it can be taken to jumper path to return to normal.

Step 5: Perform component replacement

With the instructions on the diagram, you can perform a test of the connected components. If there are defective components after checking and measuring with a multimeter. You can make a replacement with a new part of the same value.

Hopefully with a guide through the schematic picture was given. You've got the best solution for your problem.

Please note, check your phone for any damage carefully, to avoid further damage and further harm to yourself. Thank.