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Original topic:

AOD lights up like backlit

(Topic created on: 10-16-2022 09:31 AM)
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miggylito
Active Level 2
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Support
I noticed recently when i turn my aod in my s20fe to scheduled or permanent in dark room, the whole screen is lit up like a backlit on a lcd screen or like a very faint gray background. But when setted as tap once, the aod's background is pitch black. I also noticed this long ago on "show charging information" 
Is this normal? I already had my screen replaced in samsung service center and it still persist.
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7 Comments
butete
Expert Level 5
Support
try wiping cache partition if it makes a difference
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dulber
Active Level 10
Support
What was the reason the screen was replaced in the first place?
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miggylito
Active Level 2
Support
Cracked screen, I also noticed the same issue before being replaced.
dulber
Active Level 10
Support
I'll check my wife's phone. She has an S20FE.
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dulber
Active Level 10
Support
I tried it with show always and tap to display plus auto brightness on and off screen doesnt show the backlight effect. Can you check your background if its all black or some gray? My wifes set to pure black like on my S22U
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SamsungRightCare
Community Manager
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Support

Hello miggylito,

We appreciate you contacting us to inquire about your Samsung Galaxy S20 FE having display screen issues.

Recognize how annoying it can be when you can't figure out what's causing your display having an episode of intermittent brightening up and faint gray background. But don't worry; we're here to help, offer quick fixes, and solve problems with your device.

Follow these easy steps to troubleshoot and figure out what's causing your device's display issue.

A) First, ensure that your device is up-to-date with the latest Software updates.

Settings > About Phone > Software Updates > Download and Install > Follow On-screen notifications.

B) Restarting your device.

Press and hold the Power key and the Volume down key simultaneously for more than 7 seconds to restart it.

C) Running the Diagnostic Tools under Samsung Members app.

1. Run Samsung Members and select Get help on the lower half of the screen.

2. Tap View Tests located under Diagnostics.

3. Diagnostics checks, Individually Tap the following;

     Touch Screen

4. Your Galaxy phone will then run through the checks.

5. Follow the on-screen instructions to complete the check.

6. You can view your results after each check is complete.

D) Report error through Samsung Members app.

Step 1. Long press Samsung Members icon on Apps screen and Tap Error reports.

Step 2.Tap OK on agreement popup for sending system log data.

Step 3. Select Symptom category. Tap Display.

Step 4. Describe problem in detail and SEND.

https://www.samsung.com/ph/support/mobile-devices/how-to-submit-an-error-on-samsung-members/#:~:text...

E) For more assistance, you may contact us on our online Samsung support channels below.

https://samsung-livechat.sprinklr.com/seao/ph/index.html 

 
F) Or Contact our Samsung direct hotline numbers below.
 
#GALAXY or #425299 [Mobile Phones & Tablets]
Available 24/7
 
1-800-10-7267864 [All Product, Toll Free, PLDT]
1-800-8-7267864 [All Product, Toll Free, Globe]
842-22111 [All Product, Landline]
Daily (8:00 AM to 8:00 PM)
 

G) If the problem persists, immediately bring your device to nearest Samsung Authorized Service Center.

https://www.samsung.com/ph/support/service-center/

Hope this content is helpful and your problem gets solved.

Make sure to click the ACCEPT AS SOLUTION button in your subsequent response if we have satisfied your inquiry.

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SamsungRightCare
Community Manager
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Support

Hello miggylito,

I appreciate your inquiry here and as supplementary information, please refer below.

Samsung's adaptive super AMOLED screen optimizes the color range, saturation, and sharpness of the picture depending on what you're watching or doing. You also have the ability to customize the color settings to match your preferences.

A) Before you try out the below recommendations as to your solution, be sure to check if your device's software is updated with the latest version. Please check how to update your mobile device's software in the following order.

Step 1. Go to Settings > Software update.

Step 2. Tap on Download and install

Step 3. Follow the on-screen instructions.

When you lower the screen brightness on a dark screen (such as Dark mode), the screen color looks green (green stains, greenish) or purple. This phenomenon isn’t a device defect.

AMOLED is a display using self-lighting of each pixel and has characteristic that allows seeing very dark areas that LCD cannot express.

Thus, due to fine current differences of each pixel in extremely low brightness (luminance) areas (such as black or very dark screen), the degree of differences may vary but some areas of the AMOLED display may show differences in brightness. This is a typical characteristic of AMOLED display. Due to the fine characteristics difference of the semiconductors elements that make up AMOLED display, the brightness may vary slightly depending on the device, and it does not affect to the device performance.

B) To reduce the phenomenon, follow the steps below.

Change the display mode to ‘Light’ mode.

Step 1. Tap the Settings app.

Step 2. Tap Display.

Step 3. Select Light.

 

C) Adjust Display Brightness.

Choose a new display setting on your device if the screen is too intense for your liking. Or, you can turn up the brightness if it's too dark or difficult to see.  

Step 1. Select the Settings app.

Step 2. Tap Display.

Step 3. Adjust the Brightness.

https://www.samsung.com/ph/support/mobile-devices/green-tint-on-screen/ 

I hope you find this information useful.

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