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A few Exynos-powered Samsung Galaxy S20 Ultra suffers from green screen tint

Apart from performance issues, a new bug for the Exynos 990 variant of the Galaxy S20 Ultra has just been discovered.
A few Exynos-powered Samsung Galaxy S20 Ultra suffers from green screen tint
Samsung Galaxy S20 Ultra with a green tint

Green tint bug for S20 Ultra users

A few users have reported that their Galaxy S20 Ultra got a distracting green overlay after getting the latest update. Most of the complaints are owners of the Galaxy S20 Ultra Exynos variant.
Another image with the green tint
Another image with the green tint

Based on user testimonies, those who use its high refresh rate and lowering its brightness to below 30 percent will see the green tint. The users said that the problem manifests in several apps like the Samsung Pay, Camera, Calculator, Snapchat, Telegram, PUBG: Mobile, Chrome, and more.

The green tint tends to get triggered when the display switches from 120Hz, 96Hz, and 60Hz. Some speculate that this could be due to the app itself don't support high refresh rate.

There are users who said that after resetting the phone, the green tint will disappear. You may also increase the phone's brightness to above 30 percent. However, it can reappear.

SamMobile reported that Samsung’s service reps have yet to acknowledge the bug. Currently, the South Korean tech giant is still only offering case-by-case advice which largely comes down to telling users to reset their devices and clean the caches of apps wherein the green tint appears.

Hopefully, this is just a software issue for Samsung and they could provide a true fix soon.

As a quick recap, a similar problem occurred to some Huawei Mate 20 Pro units in 2018. There are users who got the display with a green tint issue. Huawei used two brands of OLED screens for the Mate 20 Pro, they are from LG of Korea and BOE of China. The bad screens are from LG. To address the issue, the Chinese tech giant replaced every Mate 20 Pro unit with a green tint screen.

UPDATE: According to RPNA, Samsung has begun seeding firmware updates that address the green tint issue in Germany. Other countries will follow suit. The green tint issue was most prominent at low brightness levels. According to initial reports, the firmware does resolve the issue. The update also includes the April 2020 security patch.

Sources: SamMobile, Samsung, RPNA
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