Three / 3 / EE network of UK is now offering the Huawei E5330 to his customers.
3 UK has also plans like Pay As You Go + 1, in this plan you will get 1GB bandwidth for one month with a price £49.99. In Pay As You Go + 3 plan, you will get 3GB bandwidth for 3 months with a price £59.99. And the last one plan is Pay As You Go + 12, in this plan company is offering 12GB broadband for 12 months with a price £109.99.
You can read in more details about various plan which is offering three at here.
Unlocking of Huawei E5330 UK 3 is possible, but unlock code is not free. Its charge is only 6USD. After unlock you can use any another network provider SIM in your device. To get the correct unlock code / NCK / SIM lock code pay 6USD in paypal ID email@example.com and mention model and imei in transaction.