Many Sony users said that the there is a rainbow screen on Samsung. Why my Samsung screen is rainbow and how to fix it in this article. You don't need to do all the solutions, just follow list until you solve the problem.
Part 1: Why rainbow screen on Samsung
1. Black or coloured horizontal or vertical lines appear on the Samsung screen, which is generally a problem with the LCD cable broken. The LCD cable is connected to the display screen directly. Once it is broken, it is difficult to repair. This situation generally requires LCD cable replacement.
2. Occasionally, the font or image is excursive at start up, which maybe due to bugs in the software version, the CPU or font flash memory, etc. The former can be solved by restoring the firmware, but the latter needs to be repaired.
3. If the Samsung screen has rainbow area, there is no doubt that the LCD screen is damaged and the screen needs to be replaced.
4. Sometimes we use a mobile phone to switch from one program to another. The program responds slowly, and it is stuck in the image of the previous app, showing the colourful image. If you restart your phone at this time, it will return to normal.
Part 2: How to troubleshoot Galaxy S8 that has a rainbow screen
1. Restart the Samsung s8. If you are unable to use the phone via the touch screen, use the power button and the volume up button to hard reboot.
2. If it is a rainbow screen that appears in the software. For example,camera doesn't work and shows rainbow colours, the best solution is to uninstall this software, and then replace the test with software of the same function.
3. Galaxy s8 rainbow screen while charging, please make sure to use the original Samsung charger and USB cable to charging the device. Low quality chargers may have a negative impact on the touch screen.
4. Close the developer option and see if the screen display is normal.Action: Home - Applications - Settings - (More / General) - Developer Options -Slide the slider off.
5. For hardware issue, it is generally caused by poor contact between the screen cable and the screen panel of the phone. Generally, the problem can be solved by re-plugging the lcd cable.
6. It is recommended to update the operating system to the latest version. Sometimes software bugs can be fixed by the updated.
7. If the above problem can't solve Samsung galaxy S8 rainbow screen of death Issue, the last step is to restore the factory settings and reset the firmware.
In general, if the colourful screen is not caused by a broken hardware,you can solve almost all software problems by restoring the factory settings.
Part 3: How to Factory Reset the Samsung from the Settings
1) Turn off your Samsung galaxy s8.
2) Press and hold the Volume Up + Bixby + Power buttons at the sametime. Release all buttons when the Phone enter a black screen.
3) From the Android Recovery screen, select Wipe data/factory reset.
4) Select Yes.
Part 4: Check if the Samsung s8 rainbow screen cause by water damage
If your phone screen has been damaged by water recently, it is likely to cause a rainbow screen.
The Samsung phone screen consists of an external screen glass, a touchscreen and LCD screen. The LCD screen is mainly responsible for image display.The LCD screen is very thin, only a few millimeters. If the phone dropped off,the liquid crystal in the LCD screen will change structurally, resulting in Samsung galaxy s8 half screen different colour.
These situations are all solved by the need to replace the Samsung screen.
You should need this part of the content on how to replace the Samsung s9 screen.
This article also applies to Samsung Galaxy s9/s9 plus/s8/s8 plus etc. Screen replacement. If you change screen of other Samsung models, broken parts batteries, as the same steps.
Summary:
The above is about How to fix Samsung Galaxy with rainbow screen.
In many cases,the Samsung rainbow screen is caused by damage to the LCD screen, which requires you to replace the screen. If you need phone repair accessories, then I recommend GEMWON,where you can buy cheap original screen assembly, touch screen, battery for Samsung/ Sony/ iPhone etc.
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