German prepaid service starts with an identity check
The Bundesnetzagentur says section 172 of Germany's Telecommunications Act governs identification of people taking prepaid mobile service. The regulator sets approved alternatives to presenting an identity document directly. Vodafone says all new prepaid customers have had to identify themselves since July 2017. A prepaid QR profile is therefore not usable just because it has arrived by email; allow time for the identity process and keep an internet connection available while completing it.
A foreign travel data eSIM and a German prepaid number are different products with different registration terms. If you need a local number for a reservation or German account, use a German operator's own activation instructions. If data for maps and messaging is sufficient, check whether your home roaming allowance or a pre-installed travel profile covers Germany. Neither a handset's eSIM capability nor a paid order removes the need for identification on a local prepaid line.
Vodafone CallYa eSIM combines a video check with prepaid credit
Vodafone says CallYa eSIM buyers complete video identification through Deutsche Post after ordering, with a valid passport or identity card and a stable camera connection. Its page says the buyer has up to 30 days after the order to complete that step. Only after successful identification does Vodafone send further setup information. The profile is then installed using a QR code and a six-digit ePIN from the order documents. Keep both until the line has connected; arriving without access to the email or ePIN can delay setup.
At the time of checking, Vodafone displayed CallYa Allnet Flat S with 25 GB, domestic calls and texts, and EU roaming at €9.99 per four weeks. It says the tariff renews every four weeks when enough prepaid credit is present; the page's reassurance about no automatic post-holiday debits should not be read as saying unused credit can never fund another cycle. Vodafone offers top-ups online, in MeinVodafone and through vouchers. Check the current bundle and any zone outside the EU at checkout, particularly before continuing to Switzerland.
Telekom offers an app activation path
Telekom's prepaid activation page says a new user can start in the MeinMagenta app, provide the prepaid card and phone details, and complete identity verification. The listed documents are a German national identity card, passport or residence permit; temporary identity documents are excluded. A smartphone or tablet with a camera and stable internet is required. Telekom says activation follows within minutes after the check succeeds, but that is its own process estimate and does not cover a failed document scan or unavailable connection.
The same Telekom page says an eSIM can be ordered during prepaid-card activation after the card and phone number are entered. Its app also displays the balance and data volume, supports top-ups and lets customers manage options. This route begins with a prepaid card; do not assume an eSIM appears instantly from a generic tariff advert. If you need service immediately after arrival, decide how to reach the activation app before the new line works, and keep the original passport accessible.
The federal coverage map is an outdoor prediction
The Bundesnetzagentur's mobile monitoring lets travellers inspect expected 2G, 4G, 5G and 5G standalone reception by operator and location. Its data come from network operators and are checked by the regulator. The map uses 100-metre grid cells and describes outdoor coverage; actual indoor service can differ because of walls, window coatings, terrain or the handset. Search the specific Black Forest village, Baltic coast address or motorway stop rather than using a national percentage as a substitute for the route.
The regulator's December 2025 publication said about 95 per cent of Germany's surface area had 5G coverage as of October 2025, from at least one operator. That is a regulator-reported, dated all-operator figure, not a statement that your chosen plan has 5G in 95 per cent of places. The agency also says cell capacity is shared and can vary with the contract, device and load. A traveller concerned about a particular building should ask the accommodation about Wi-Fi and check more than one network.
Use airport Wi-Fi to bridge activation; save rail tickets offline
Berlin Brandenburg Airport advertises free Wi-Fi throughout the airport under BER Airport Free Airport Wi-Fi. Its portal includes flight information and terminal maps, which can help while a local SIM is still being verified. The airport lists the Airport Express, regional trains and buses among its public transport links. Download the route and ticket before moving to the platform; airport Wi-Fi does not establish that the same connection will be available on the train.
Deutsche Bahn says its WIFIonICE connection is free across its ICE fleet, while availability on Intercity and regional trains is more limited. Onboard equipment uses several mobile networks along the railway, and Bahn warns that performance depends on reception and passenger demand. The service can continue on listed international ICE routes, including to Austria, France, Belgium, the Netherlands and Switzerland. A ticket or platform change should still be accessible offline when a tunnel or a busy train interrupts internet access.
EU roaming helps, but the actual country list still matters
Germany falls within the EU roam-like-at-home system. The European Commission says an EU or EEA customer on an occasional visit can normally use home calls, texts and data under domestic conditions, subject to fair-use controls on certain data plans. Check the home operator's roaming data amount before buying a German line. A German prepaid offer can also include EU roaming: Vodafone's CallYa S page states this explicitly, but its tariff terms govern the allowance and renewal.
Cross-border itineraries need a separate look at Switzerland, which is outside the EU and EEA regulated zone. Some operators include it voluntarily or sell an add-on; neither the German starting point nor a train's free Wi-Fi changes mobile roaming charges when the train crosses the border. Vodafone's own page lists a separate Switzerland data option, illustrating why a named Europe or EU zone needs reading rather than guessing. Set the intended data line before crossing and keep the home line's roaming setting under review.
Keep a voice route for 110 and 112
The Bundesnetzagentur lists 110 as Germany's nationwide police emergency number and 112 as the European emergency number. It says providers of publicly available telecommunications services must connect these emergency calls without charge and transmit caller location information. The regulator's statement does not say that a data-only eSIM can originate a conventional voice call. Check whether the chosen line supports calling and retain another practical means of contacting help if it does not.
For ordinary problems, contact the operator that issued the prepaid SIM. Vodafone's video identity step, Telekom's app verification, a missing QR code and a weak radio signal are different issues. Confirm a line's successful activation while still on reliable Wi-Fi, test a webpage, then verify calls and texts if included. Keep the order reference, registration document and top-up instructions until the trip ends; they are useful if a profile has to be restored or the balance runs out.
Networks our Germany plans use
These are the operators named on our plans for Germany, taken from the plan data, so the list follows the catalogue.
- E-Plus5G
- Eplus5G
- O25G
- o2 - de5G
- O2 Germany5G
- Telefonica Germany GmbH & Co. OHG5G
- Telekom5G
- Vodafone5G
- Vodafone D2 GmbH5G
- Vodafone GermanyLTE