give some screenshots to create UIBackgroundModes key in Info.plist for iOS4

The UIBackgroundModes key identifies which background tasks your application supports. Its value is an array that contains one or more strings with the following values: audio – The application plays audible content to the user while in the background. location – The application keeps users informed of their location, even while running in the background. … Read more

Do remote push notifications require to add UIBackgroundModes in Info.plist?

Yes, you should enable Background Modes/Remote notifications to be able to use remote notifications for background updates. The easiest way to do this is via the project settings. Navigate to Targets -> Your App -> Capabilities -> Background Modes and check Remote notifications. This will automatically enable the required settings.

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