Download Google Camera Snapdragon 820/821 Devices port from Google Pixel :
APK file Google Camera (link MediaFile fast download)
Note: This is all thanks to XDA Senior Member Arnova8G2 who has modified and optimized the original work of Ukrainian developer B-S-G and XDA Senior Member Charles_l to bring portrait mode to nearly all devices that can already make use of HDR+ in the modified Google Camera app. Users on our forums have been testing it out, and you can now too! It seems to work rather well on supported devices, but keep in mind that the portrait mode effect only works on people.
A general rule of thumb for Snapdragon 820/821 devices, is for “Config Camera HDR+” to use anything with Nexus 6 in the name, as Nexus 6P and Google Pixel settings are not stable. For the model, you can use Pixel XL or Pixel 2XL, or the Nexus 6P if you would rather have more detailed images. HDR+ parameters don’t hugely matter what you choose, and is all personal preference. A higher amount (super high in my case) will take a longer time to process.
And here are some photos using the above camera settings, all also taken on the OnePlus 3 using Google Camera HDR+. Keep in mind that the OnePlus 3 was never known for its camera capabilities, and the Google Camera HDR+ port has improved it tenfold.
And that’s not all, but users who previously could not record in 4K video resolution might be able to now, so long as their device supports it. This solidifies the Google Camera port as a full replacement for your stock camera application so long as your phone can make use of all of its features. Your device will need to support the Camera2 API, which has been problematic for those on devices such as the ZTE Axon 7 which does not support it (but can be enabled if your device is rooted).
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