£7 off a SIM you’ll barely notice paying for is still £7 back in your pocket every single month, and that’s exactly what Sky Mobile is offering right now. Sky Mobile’s 1GB plan has dropped from £8 a month to just £1 a month, which translates to a massive saving of 87%. 87% off Save on Sky Mobile's 1GB data plan, now just £1 a month, down from £8 Save big on Sky Mobile's 1GB data plan, now available for just £1 a month, a steep drop down from its usual £8 price. AdvertisementYou’re not locked into 1GB forever either, since Sky Mobile lets you mix and change your data plan whenever your usage shifts, which suits anyone whose needs bounce between a light month and a heavier one. None of that flexibility matters much without a signal to back it up, but Sky Mobile currently claims 99% network coverage across the UK, so switching to this plan shouldn’t mean compromising on reliability just to save money.