OPPO F11 is probably the most powerful smartphone on the market today, but there are still some problems and bugs, the most common of which is the screen problem. The screen will usually go black and unresponsive to touch or the indicator light on the screen will appear blue. If the indicator light on the screen appears, the phone is still powered on and working, but the screen is not visible.
Instructions to fix OPPO F11 without screen light
- Check the screen and connect the screen
- Check the display light circuit
- Check LED output 20V
- Replace the new lamp IC
- If there is still 20V then you should check the monitor or connect the monitor
- Clean the connector with board cleaning solution then check again
- Replace the screen of OPPO F11 with a new one if you follow the steps above but it doesn't work
To fix screen problems, it is recommended that you first have your OPPO F11 screen replaced with a new one to easily confirm if the display's LED is working or broken. You can also test the LEDs with a multimeter if you're confident in your skills and make sure you don't mess up the monitor connection. If the new screen is replaced but still does not display and the backlight does not light, refer to the article below for OPPO F11 screen troubleshooting.
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