Mobile data dropping out

FP3+ install in Australia.

Have issue with mobile internet connection dropping out.

After two weeks of having the device, I believe it always drops out after being connected to Wi-fi and then moving outside its range (although I think it has dropped out a couple of times without being connected to Wi-Fi. I can only get the mobile data working again by performing a restart.

My assumption is that it is software related.

Has anyone experienced this? or more importantly,

has anyone got any suggestions?

FTR, have no problem with Wi-Fi.

Cheers

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