A BBC crowd-sourcing survey into the state of mobile Britain suggests that 3G has some way to go before it offers comprehensive coverage across the UK.

Despite operator claims of 90% or more 3G coverage, there are still many notspots, including in major towns and cities, according to the map.

Those testers able to receive a data connection only got a 3G signal 75% of the time.

Article and maps accessible Here :- http://www.bbc.co.uk/news/business-14574816