SYMPTOM:
In Strategy iPhone 9.0.2 App, metrics in page-by section shows up as can be seen below. However, the page-by metric section is not available after upgrading to Strategy iPhone 9.2.1 and above App.
On 9.0.2 iPhone App:

On 9.2.1 and above iPhone App:

CAUSE:
Due to architectural changes in the iPhone application under the new architecture this is not supported.
ACTION:
The enhancement of enabling metrics in page by section has been logged. Strategy will continue to investigate and post updates as soon as they are available.
KB410149