(Telecompaper) Telefonica Germany had a total of 25.2 million customer accesses at end-2013. The mobile base reached 19.401 million, including 10.3 million post-paid and 9.1 million pre-paid mobile customers. This represents a net loss of 175,000 customers compared to September 2013 but 101,000 more customers than at the end of 2012. ARPU was EUR 12.50 in Q4 2013, down 8 percent from EUR 13.60 in Q4 2012. The operator recorded a 6.3 percent fall in wireless service revenues to EUR 743 million in Q4, while wireline sales were down 9.2 percent to EUR 297 million. Group OIBDA was still up 8.8 percent to EUR 373 million, giving a margin of 30.0 percent. Despite a 27 percent increase in capex to EUR 198 million, free cash flow was up 27 percent to EUR 156 million. Telefonica said it still expects to close the acquisition of E-Plus by mid-year, pending clearance from the European Commission for the transaction.