iOS app stuck in loader screen when launched with appium desktop

Summary:
iOS application screen is stuck at loader image. All the contents of the screen is not loading.

Basic Info:
Host machine: Mac mini (Late 2014)
OS: macOS Mojave version: 10.14.6 (18G87)
Appium-desktop version: Version 1.13.0 (1.13.0.20190505.5)
Real device: iPhone XR, iOS ver: 12.2

Snapshot of the screen where it is stuck have been attached for clarification purpose:
LoaderScreen

Then after a certain time the app response as failed to connect to internet. However, this doesn’t happen when the app is launched/used without appium.

The same phenomenon is observed with appium CLI version 1.14.0.

Please let me know if anything else is required for further investigation. Your prompt response will be highly appreciated.