Virgin Media Business has launched

“a super-fast free Wi-Fi service to serve the city of Birmingham  [Visitors] will be able to access unlimited Wi-Fi free of charge across the city centre with the eight connected locations providing 2.5sq miles of coverage. […] In order to connect users should look for the hotspot ID “_Bham Free WiFi” on the device in question and then follow the onscreen instructions to connect to the service, which has no usage limits.”