How to get logs from mobile Android & iOS devices?

First you need to connect your mobile device to your computer.

Then you should follow one of the following guides depending on your device OS:

Android:

https://developer.chrome.com/docs/devtools/remote-debugging/

iOS:

https://blog.idrsolutions.com/2015/02/remote-debugging-ios-safari-on-os-x-windows-and-linux/

One you get the logs generated by your application from the console, please provide it when reaching to the support engineering team. This will allow to faster assess the root cause of your issue.