UK Carrier Three has announced that it will be the first British carrier to offer cellular models of the iPad Air on November 1 and the iPad mini with Retina Display upon its release, reports Engadget. The carrier will offer an entry-level 1GB data plan starting at £7.50 per month on contract, in addition to the £499 up-front cost for the tablet itself. For £25 a month, the carrier is offering a 15GB data plan, which will also be offered on contract. Initially, celluar models of the iPad Air purchased on the carrier will be restricted to 3G data, as Three will begin rolling out its faster 4G LTE net