I'm trying to understand the automatic download on iPhone.
On Apple's documentation it specifically states:
My setting is set to download apps automatically:
However, I have tons of apps waiting to be updated:
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In the "More about Automatic Downloads" section:
If your iPhone, iPad, or iPod touch has an Internet connection and you turn on Push Notifications, your content automatically downloads to your device. On an associated device that doesn't support Push Notifications, your content automatically appears in your iTunes download queue. You can manually download the content in iTunes.
I had turned off push notifications for the App Store and automatic updates stopped working. After I turned it on again it started working as usual.