Stay Connected in Hanover

Hanover sits in Germany, where mobile connectivity is solid in the city centre and at major transport hubs, though it can lag behind the headline speeds you'd see in Berlin or Munich. For most travelers, you'll find 4G everywhere that matters, the Hauptbahnhof, the Altstadt, the trade fair grounds at Messe Hanover, and 5G in growing pockets. What catches people off guard tends to be the price gap: Germany's mobile plans are pricier than neighbouring Poland or Czechia, and walk-in tourist SIMs aren't as plentiful as they are in southern Europe. Public WiFi in Hanover is widespread (cafes, the Hauptbahnhof, most hotels) but the speeds and security vary wildly. The good news: if you're an EU visitor, your home plan likely roams here at no extra cost thanks to Roam Like at Home rules. Everyone else has a real decision to make between eSIM, local SIM, and roaming, and the right answer depends on how long you're staying in Hanover.

Germany has three main mobile network operators: Deutsche Telekom (branded as Telekom or T-Mobile), Vodafone, and O2 (Telefónica). Telekom is widely regarded as the strongest performer for coverage and consistency, outside city limits, useful if you're day-tripping from Hanover to the Harz mountains or smaller Lower Saxony towns. Vodafone is competitive in urban Hanover and tends to push aggressive data deals. O2 is typically the cheapest of the three and works well well in central Hanover, though rural coverage can get spotty once you're outside the main areas. 5G is available across all three carriers in Hanover's core, with Telekom and Vodafone leading on rollout. Real-world 4G speeds in the city tend to land in the 30-80 Mbps range, more than enough for video calls, maps, and streaming. At the Hauptbahnhof and around Messe Hanover during trade fairs, networks can get congested, fair warning. Worth noting: Germany has been slower than its neighbours on 5G rollout, so don't expect the gigabit speeds you might get in Seoul.

Public WiFi in Hanover is everywhere, the Hauptbahnhof, most cafes, hotels, the airport, and city-run hotspots in central squares. The catch is that open or weakly-secured networks let anyone on the same network potentially snoop on unencrypted traffic. Travelers are attractive targets because we tend to log into banks, email, and booking sites from unfamiliar networks while distracted. Most legitimate sites use HTTPS now, which encrypts the connection itself, so the risk is lower than it used to be. But not zero. A VPN like NordVPN routes your traffic through an encrypted tunnel, so even on sketchy hotel WiFi or a busy airport network, your data stays private. It's worth using when accessing financial accounts, work email, or anything with sensitive logins. Hotel WiFi is generally fine for streaming and browsing. Just turn the VPN on before banking.