Blobber
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- lincolnshire
Just looking at new mobile phone sim only deals but not really sure how much data I need or how to calculate data usage? 
I only use data for sat nav now and then but want to start using it to listen to the radio perhaps once/twice a week for 3 or 4 hours, any pointers please

I only use data for sat nav now and then but want to start using it to listen to the radio perhaps once/twice a week for 3 or 4 hours, any pointers please
