German court rules that Deutsche Telekom's zero-rating mobile streaming plan StreamOn violates EU's net neutrality rules, can not be offered in its current form
About Jörn Krieger — Jörn reports on the latest developments in Germany, Austria and Switzerland.
Context & Ripple Effects
Deutsche Telekom's StreamOn was the flagship of a broader European push by carriers to sell differentiated mobile plans: back in 2015 the operator already floated charging startups for guaranteed transmission quality under Europe's then-new net neutrality framework. The German court's verdict lands two years after the Dutch regulator reached the same conclusion about T-Mobile's music-streaming zero rating, which T-Mobile appealed while keeping the service live.
The significance is that national courts are now converting regulator warnings into binding outcomes — and the pattern did not stay local, as the EU court later extended the same finding to Vodafone and Deutsche Telekom's zero-tariff offers bloc-wide.
First-order effects
- Deutsche Telekom must restructure or withdraw StreamOn in its current form, changing what subscribers can consume without data-cap penalties.
- German customers who chose the plan for free streaming of specific apps lose that advantage immediately once the offer is pulled.
Second-order effects
- Rival carriers running comparable zero-rating bundles face pressure to redesign them proactively before their own regulators or courts force the issue, as T-Mobile Netherlands experienced when its music-streaming zero rating was ruled illegal.
- Streaming services that rode zero-rated distribution lose a subscriber-acquisition channel bundled into carrier tariffs, shifting marketing costs back onto the content side.
Third-order effects
- If the enforcement chain holds — national regulator, national court, then EU-level confirmation as happened with Vodafone and Deutsche Telekom in the EU court's zero-tariff ruling — zero-rating becomes structurally unviable across the bloc, pushing carriers to compete on price and capacity rather than app-specific carve-outs.
- Regulators gain a tested template for treating sponsored-data schemes as discrimination under net neutrality law, narrowing the space for paid-priority products like Telekom's earlier startup-quality proposal.
The trend: European courts and regulators are systematically dismantling carrier zero-rating offers, forcing mobile operators to abandon app-differentiated tariffs in favor of neutral pricing.