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Hi, I've read a few bits but they're all at least 2 years old now on how to get more samsung cloud storage rather than the free 15gb,It seems to be that if you are an o2 customer you can't upgrade as they're is something built in the actual phone tha...
I've recently changed from iPhone 7 to galaxy note 8 and had priority working fine on iPhone but since changing it refuses to recognise my phone number no matter how many times I've tried I've even uninstalled and reinstalled the app but still no go....