How To Fix Samsung Galaxy S9 Screen Is Dark

The #Samsung #Galaxy #S9 is a flagship phone released last year which offers a great mobile experience. This phone has a 5.8 inch Super AMOLED Infinity Display which is great to use for viewing various multimedia content. It uses the powerful Snapdragon 845 processor combined with 4 GB of RAM allowing the device to run multiple apps smoothly. Although this is  a solid performing device there are instances when certain issues can occur which we will be addressing today. In this latest installment of our troubleshooting series we will tackle the Galaxy S9 screen is dark issue.

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How To Fix Samsung Galaxy S9 Screen Is Dark

Problem: Ok so I bought a Samsung Galaxy S9 from my buddy it is unlocked though it was purchased by at&t the issue that I am having is that the screen is really dark tint I can adjust the settings and can still see the screen well enough to use as long as it is night time or if I am in a dark room my buddy that I bought the phone from was up front about this issue and told me that he had dropped the phone and then the dark tint started also I have done a factory reset and it didn’t not fix the issue sometimes the lower half of the screen will work fine for a few seconds and you should also know that when I push the side button to put the phone to sleep or to wake the phone the whole screen flashes normal brightness also I am wanting to service and or fix this myself and have most of the tools and knowledge to do so but any insight into this issue that you could give me would be greatly appreciated thank you

Solution: Before performing any troubleshooting steps on the phone it’s best to make sure that it is running on the latest software version. If an update is available then you should download and install it first.

From the way you described the problem it looks like this is already caused by a damaged display due to the drop it suffered. There are however a couple of troubleshooting steps that you can perform, which we have listed below, to check if another factor is causing this problem.

Perform a soft reset

The first thing you will have to do in this case is a soft reset which is usually done when a phone becomes unresponsive but is also recommended in this particular case.

• Press and hold the Power and Volume down key for up to 45 seconds.
• Wait as the device restarts.

Once the phone restarts check if the display works properly.

Adjust the screen brightness

Make sure that the screen brightness level is set to maximum and that the automatic brightness setting is turned off.

• From the Home screen, swipe up on an empty spot to open the Apps tray.
• Tap Settings then Display.
• If necessary, tap the Automatic brightness slider to turn off.
• Touch and move the Brightness level slider to the maximum setting.
• If desired, tap to enable the Blue light filter slider. Once enabled, tap Blue light filter to adjust these settings: Opacity, Turn on now, Turn on as scheduled

Check if the issue occurs in Safe Mode

An app you downloaded in your phone could be causing this problem. To check if this is the case you will need to start the phone in Safe Mode since only the pre-installed apps are allowed to run in this mode.

• Turn the phone off.
• Press and hold the Power key past the model name screen appearing on the screen.
• When SAMSUNG appears on the screen, release the Power key.
• Immediately after releasing the Power key, press and hold the Volume down key.
• Continue to hold the Volume down key until the device finishes restarting.
• When Safe mode appears in the bottom left corner of the screen, release the Volume down key.

In case the issue does not occur in this mode then it’s likely that the problem is caused by an app you downloaded. Find out what app this is and uninstall it.

Wipe the cache partition of the phone

The phone system cached data is used to speed up the access to your phone apps. Sometimes this data can get corrupted which results in issues occuring on the device. To check if a corrupted cached data is causing the problem you will need to wipe the cache partition of the phone from the recovery mode.

• Turn off the phone.
• Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
• When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
• Press the Volume down key to highlight “wipe cache partition.”
• Press the Power key to select.
• Press the Volume down key to highlight “yes” and press the Power key to select.
• When the wipe cache partition is complete, “Reboot system now” is highlighted.
• Press the Power key to restart the device.

Perform a factory reset

One last troubleshooting step you should consider is a factory reset. This will revert your phone back to its original factory condition. Make sure to backup your phone data before doing the reset as it will be deleted in the process.

• Turn off the phone.
• Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
• When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
• Press the Volume down key several times to highlight ‘wipe data / factory reset’.
• Press Power button to select.
• Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
• Press Power button to select and start the master reset.
• When the master reset is complete, ‘Reboot system now’ is highlighted.
• Press the Power key to restart the device.

In case the issue persists even after performing the troubleshooting steps listed above then this is most likely caused by a damaged display assembly. The best thing to do right now is to have the phone repaired at a service center.

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