EE was formed in 2012 by the merger of Orange and T-Mobile , while O2 can trace its roots back to Cellnet and BT Cellnet before it became O2 in 2002. Other providers in the UK piggyback onto one of these networks.
EE was formed in 2012 by the merger of Orange and T-Mobile , while O2 can trace its roots back to Cellnet and BT Cellnet before it became O2 in 2002. Other providers in the UK piggyback onto one of these networks.