Saudi Arabia’s dominant telco STC has selected Nokia to upgrade more of its 3G networks with HSDPA equipment. STC has already launched W-CDMA and HSDPA networks using infrastructure supplied by the Finnish firm. The two companies are now extending their agreement, expanding the coverage of the HSDPA systems, which offer improved data speeds and efficiency when compared with conventional 3G networks. The financial details or coverage targets of the deal were not disclosed. Nokia says it has installed 61 3G networks worldwide to date and claims to be the leader in the HSDPA market.