Nokia saw its revenues dip sharply in its second quarter, but turned in a profit that came as a surprise, given its recent 5G tribulations. The Finnish firm’s net sales were down 11% year-on-year to €5.1bn ($6bn), with a similar percentage fall in its three main segments – the dominant Networks business, as well as the smaller (but rapidly growing) Software unit, and the Nokia Technologies licensing division. Nokia did manage to reduce opex costs, turning last year’s Q2 loss of $226m into a profit of $100m. Nokia’s mobile access business, which accounts for nearly half of its sales, saw a 12% year-on-year fall in revenues partly because of the lack of Chinese sales. The software unit also suffered a…