FileUpload: Question and best practise recommendation

Hi,

i build an app with ionic and i am getting a big fan of ionic!

Now i have a special problem and need some information from an expert.

Here the function of my app:

The problem:
When my phone (android) change the cellular (e.g. 3G to LTE or down), i lost the connection and the upload cancelled.

Do you habe some tipps to solve this problem?

Thank you very much!!!

Cordova file transfer plugin by default use chunks to upload data, so maybe you should look at your web service: does it support chunking and resuming?