Android Question WIFI -> Mobile data = Connection Timeout

Andrew (Digitwell)

Active Member
Licensed User
I am having a connectivity problem with a particular app.

If the app is started on Wifi and whilst the app is running, the phone switches to mobile data,
all HTTP calls, (job.poststring, job.download) communications, Firebase Notifications etc timeout with a socket connection failure

But, if the app is started on mobile, in the exact same location, then all if fine.

I can't work out what is wrong here, the data connection at the location is not great, but it does work.

Does anyone have any clues as to what is causing this?

Test phone are a Huawei P10 and a Sony.

Thanks
 
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