Time for new mobile phone contract

[Dead Eye]

That's a good option. Most mobile operators will quite happily let you up your tariff or add on extras at any point whereas there is a huge list of restrictions when downgrading. If its any help, I was on 500MB of data but never got close and when my renewal came up I switched down to 250MB - I rarely get about 100MB. HOWEVER, I spend 90% of my time at home where I have WiFi. My average WiFi usage is probably around 4-5 GB (max I hit was 15GB - still have no idea how!)