Google Pixel 4’s Hidden High Brightness Mode fixes the awful Screen Brightness – XDA Developers


Just like the 2017 and 2018 Pixels, the 2019 Pixel Four and Pixel Four XL have totally different show producers, show resolutions, and show sizes. Whereas the shows on each Pixel smartphones are definitely high-quality, their most brightness ranges go away lots to be desired. In our preliminary testing, the Pixel Four and Pixel Four XL attain a most luminance of ~450 nits at 100% display screen brightness. That is far beneath what different competing flagship smartphone shows are able to. Luckily, there’s a method to enhance the utmost brightness utilizing the hidden Excessive Brightness Mode, however you’ll want root entry to allow it.

When you’ve used the Pixel Four whereas beneath direct daylight, you in all probability struggled to see the display screen as a result of the show merely couldn’t get vivid sufficient. Pixel smartphones have all the time suffered from dim shows whereas outdoor, so this isn’t a brand new drawback for Google. These days, although, smartphones that value a whole bunch of {dollars} much less have a lot brighter shows, so there’s little excuse for Google to fall wanting the competitors right here.

Google Pixel 4’s Hidden High Brightness Mode fixes the awful Screen Brightness - XDA Developers screen, pixel, hidden, google, fixes, brightness, awful

Show Brightness Reference Chart. Credit: Dylan Raga/XDA.

Utilizing the hidden Excessive Brightness Mode, nevertheless, you’ll be able to bump the height luminance of the Google Pixel 4’s show from about ~450 nits to about ~610 nits. This can be a main bump in show brightness, and in my expertise, truly makes the Google Pixel Four readable outdoor. For no matter cause, Google determined to not use Excessive Brightness Mode in regular use. You may’t set off it manually anyplace in Settings nor are you able to set off it with Adaptive Brightness enabled whilst you’re outdoors. We don’t know why Google isn’t utilizing this hidden show mode, and we’ve been asking ourselves this query since we reviewed the Pixel three and Pixel three XL shows.

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In any case, we’re glad that Google left entry to Excessive Brightness Mode within the kernel because it’s straightforward to manually toggle it with root entry. After rooting your Google Pixel Four or Pixel Four XL, all it’s important to do is enter the next shell instructions:

echo on >> /sys/class/backlight/panel0-backlight/hbm_mode

When you’re questioning whether or not it’s protected to depart this on, you in all probability don’t have to fret. In our testing, it seems like Excessive Brightness Mode solely kicks in when the display screen is principally at most UI brightness ranges. The one factor you’ll actually have to fret about is the impact on battery life. For the reason that show is already the most important contributor to battery drain on a smartphone and the show is drawing extra energy to run at a better brightness stage, the battery lifetime of your Pixel Four will undergo the longer Excessive Brightness Mode is energetic.

If you wish to disable it simply to be protected, simply substitute “on” with “off” within the above echo command. With an app like Tasker, you’ll be able to even automate toggling Excessive Brightness Mode so it’ll solely activate when the ambient or UI brightness stage is above a sure level.

Be aware: After enabling Excessive Brightness Mode, we advocate resetting Adaptive Brightness by going to Settings > Apps & notifications > All apps > Machine Well being Providers > Storage & cache > Clear storage. Adaptive Brightness makes use of machine studying to be taught your brightness altering habits, and with the addition of Excessive Brightness Mode, your brightness altering habits will in all probability regulate.

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