Got a text message that 'talk mobile' is going to become 4G (in association with Vodafone. They already share their service). So far it has only has been providing a 3G service (able it a lower cost).
The change to 4G was overdue and finally it is here (not sure when though). Will have to wait and see if it will improve service!
So anyone considering to go with talk mobile for the price but was hesitating for the 3G aspect now has a reason to reconsider!