Unfortunately I don't have another device to test at present, however this does seem to be an issue that's only manifested in the last few months, so whether it's a hardware issue as you suggest or a gradual degradation of Smarty's services as they m...
Yep, I've been getting rubbish 4G for a while now and it doesn't matter where in the country I am... I often travel a lot and rely on a decent signal for sat nav, communicating, general browsing and booking the odd hotel, so it's nothing to do with b...