ContributionsMost RecentMost LikesSolutionsRe: High Data Usage Third attempt... Yes, it's a router. Got back this afternoon to find I've used 18GB in two days when I've been out all day both days! Crazy! Re: High Data Usage Yes, I activated my SIM again this morning, checked the speed then went out for the whole day. When I returned 950MB of data had been used with no one in the house! Will be switching to EE.