UK mobile service revenue growth was -0.1% in Q4, a 0.6ppt improvement from the previous quarter. This was helped by some modest price firming, continued strong data growth, and some inflation in handset prices

EE was the strongest growing operator after being the weakest just 12 months ago, with its efforts to improve customer service, network performance and perceptions of network performance starting to pay off. H3G had a strong H2, with strong customer additions while not sacrificing ARPU, although it is still clearly taking steps to manage capacity demand. O2 had another solid performance with a modest improvement in service revenue growth, and Vodafone suffered from weak ARPU primarily due to pricing pressure in the business market

The outlook for market service revenue growth is fairly positive, with ARPU-enhancing pricing moves in evidence, supported by continuing strong data volume growth, and existing customer price increases due to take effect from Q2 2017

As Spotify wavers around the breakeven point, the deal with UMG is good news for royalty costs and thus for the likely advent of the IPO rumoured for autumn 2017

Royalty costs will reduce if Spotify reaches the subscriber growth targets that have been agreed – these have not been disclosed, so are hard to track

Question marks persist over whether a two-week optional windowing of new releases on the premium tier will significantly drive upgrades from the free tier

Vodafone Europe’s mobile service revenue growth worsened to -0.6% from -0.2% in the previous quarter, the first deterioration following at least nine quarters of consecutive improvement, with the UK particularly weak

The company could nonetheless grow profits handsomely if revenue growth stabilises at this level, with more clarity on the medium term prospects for this likely to come with next quarter’s results and guidance for 2017/18

Our main concern continues to be the company’s declining subscriber share, particularly in consolidating markets where its historic advantages of having high market share may be rapidly eroded

Streaming is now mainstream and we predict 113% growth in expenditure on subscriptions for 2015-18 in the top four markets (US, UK, Germany and France)

Free vs paid-for streaming is the central question for the music ecosystem: free yields fractions of pennies, making subscription the only credible business model

Market leader Spotify is facing competition from tech giants Amazon, Apple and Google, with deep pockets, for whom content is a pawn in a larger game