Lightroom Mobile Automatically Adjusting DNG Images?

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I'm discovering that DNG images taken in Lightroom Mobile on my iPhone 7 and iPad Pro 9.7 are automatically being adjusted before I start the editing process.  For example, when I open a freshly taken DNG to edit, I'll find that Whites are already adjusted to +15, Blacks are set at -5, and Clarity is at +8.  Sometimes Tint is adjusted as well.

When I sync the images over to my desktop Lightroom (without making any changes to it on my iDevice), I find the same settings there as well.  If I hit Reset or step back in History to Import, everything reverts back to 0.

Is this behavior normal or ?????  It strikes me kind of odd that the app would automatically process a DNG, but I can of course work around it...
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FredC

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Posted 2 years ago

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Simon Chen, Principal Computer Scientist

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Yes. This is expected. The applied settings tried to match the look of the image rendered from the DNG with those shot with JPEG. 
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Cletus Lee

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This is normal.  DNG files are not images.  Until demosaic'd and converted to RGB, that have no colorspace, no White Balance and are somewhat noisy, toneless and most of all there is nothing to see until some tone is applied, balanced to the white point and sharpened.   This is a default that is set for each camera   You can change the default but all RAW files will be imported with some development settings applied.