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Dive into multiple domain (Cross/Sub) tracking, implementing Ecommerce and Enhanced Ecommerce, setting up Event tracking, and Universal Analytics code.
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iOS Client ID resetted at app launch

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# 1
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We have a problem with the comparison of new users VS existing users, new users are way too high compared to different analytics sources and app downloads. 

After further investigating it, it seems that every time the app restarts the `kGAIClientID` property of the current tracker is set to a different value.

Capture d écran 2017-01-31 à 10.10.04.pngThe graph above means new users in green versus returning users in blue. It should be the opposite.


I've tried setting the client id value to a unique identifier per device but it seems that this property is read-only.


It's been messing with our reports for a very long time now, is there any way to fix that?


We are using Google Analytics iOS SDK 3.17


NB: Note that this is a duplicate of this post but in an other section.