O2 in London, Leeds and Bradford; Vodafone in London only

As planned, British carriers O2 and Vodafone have today launched their 4G LTE services, bringing to an end EE's effective monopoly over 4G in the UK. From today, O2 4G is available in London, Leeds and Bradford, while Vodafone LTE launch is limited to the British capital.

O2 offers data in 1GB, 3GB and 5GB bundles, starting at £26 per month on a SIM-only deal, and as part of a 4G launch promotion customers signing up for 3GB and 5GB will be upgraded to 5GB and 8GB respectively until Oct 31.

Vodafone, meanwhile, has 2GB, 4GB and 8GB 4G data bundles, with the option to get a temporary boost to unlimited data for three months through its "data test drive" program. 4G contracts with a device attached will start at £34 per month for 2GB and run as high as £57 for 8GB, depending on the device. Both operators are offering unlimited calls and texts on 4G plans.

Anyone jumping on the O2/Vodafone 4G bandwagon today?