Germany eSIM
data from $1.99.

An eSIM for Germany gives you mobile data on arrival without hunting for a local SIM card. Slashtel plans start from $1.99 and connect automatically to O2, Vodafone or Telekom, with 5G where it is available. The plan is data only, so there is no German number and no calls or SMS, but WhatsApp, FaceTime and maps work over the data connection.

Choosing an eSIM for Germany

The best eSIM for Germany is the one that covers the networks where you will actually travel, carries enough data for your habits and is installed before you leave home. Four points decide it.

Coverage. Your phone should connect to the main German networks rather than a single operator. A Slashtel plan selects the network automatically, so you are not locked to one carrier as you move between cities and regions.

Data. Match the allowance to the trip, not to the headline figure. A short city break and a three week tour need very different amounts, and the sections below set out the options.

Validity. Plans run for 7, 15, 30 or 180 days. Choose a duration that covers the whole trip, including the day you fly home.

Hotspot and installation. If you plan to share data with a laptop or a second phone, check that tethering is part of the plan before you buy. Then install the eSIM at home on reliable wifi, so a failed download does not happen in a queue at Berlin Brandenburg or Munich Airport. Our iPhone and Android install guide walks through the steps, and the compatibility check confirms whether your handset supports eSIM at all.

Plans and prices for Germany

Slashtel sells Germany plans in seven data sizes from 1GB to 50GB, running for 7, 15, 30 or 180 days, from $1.99. Prices below are the live rates for each size, and the duration you pick is set at checkout.

Small plans suit light use over a short stay. Larger plans suit longer trips, heavy map and video use, or travellers who tether a laptop. Because the price rises with the data, there is no reason to buy 20GB for a weekend in Munich unless you know you will use it.

Networks and coverage in Germany

German mobile coverage is spread across O2, Vodafone and Telekom, and a Slashtel eSIM connects to these automatically, with 5G where the network provides it. You do not choose an operator or enter access point settings. The phone picks a network when you arrive and switches if you move out of range.

In practice this matters most in cities. Berlin and Munich have dense networks, and coverage holds up around main stations, U Bahn and S Bahn routes, museums and hotel districts. Christmas markets in December sit in city squares and pedestrian zones, normally well inside the urban footprint. Trade fairs such as the grounds in Munich and Berlin are built for high visitor numbers, and coverage there is generally part of the city network rather than a separate problem.

Outside the cities, coverage varies with terrain and building density. If your itinerary includes rural Bavaria, the Baltic coast or long train journeys, expect gaps in tunnels and deep valleys, as you would anywhere. Download offline maps before you travel so a brief loss of signal does not leave you without directions.

How much data you need

Slashtel's own trip suggestions are a useful starting point: 1GB for one week, 2GB for two weeks and 3GB for one month, and you can step up a size if you use maps, photos and video heavily. These figures assume ordinary use such as messaging, checking trains and browsing. Add data for hotspot use, streaming and uploading photos.

• One week: 1GB on a 7 day plan, or 2GB if you navigate constantly.
• Two weeks: 2GB on a 15 day plan, or 5GB with regular photo sharing.
• One month: 3GB on a 30 day plan, or 10GB and above for work and video.
• Long stay or trade fair with a laptop: 20GB or 50GB on a 180 day plan.

A simple way to judge it: a week of light use fits in 1GB, while anything involving daily video calls or tethering will run through several gigabytes. Buying a size up costs less than running out mid trip and topping up in a hurry.

Install it before you fly

Install the eSIM at home, on wifi, a day or two before departure, and leave it switched off until you land. Installation needs a stable connection and a few minutes; doing it at the airport adds risk for no benefit.

The usual flow is to buy the plan, receive the eSIM details by email, then add the eSIM in your phone settings by scanning the QR code or entering the manual details. Label it clearly, for example Germany, so you do not confuse it with your home SIM. Keep your home SIM in the phone for calls and bank codes, and set the Germany eSIM as the line for mobile data.

On landing, turn off data roaming on your home line, enable the Germany eSIM and switch mobile data to it. The network is chosen automatically. If nothing connects after a minute or two, toggle airplane mode, then check that the eSIM is enabled and data roaming is on for that line. Our install guide covers the settings screen by screen for both iPhone and Android.

Calls, texts and your home number

The Germany eSIM is data only: there is no German phone number, and it cannot make calls or send SMS. Calls to restaurants, hotels and taxis are not possible through the eSIM itself.

WhatsApp, FaceTime, Signal and similar apps work normally over the data connection, including voice and video calls. That covers most day to day contact. Keep your home SIM active for your usual number, incoming calls and the bank codes many people need when paying online. Set the home SIM as the line for calls and texts and the Germany eSIM as the line for data, and check that data roaming is off on the home line to avoid charges from your home operator.

Questions travellers ask about Germany

The most common questions are about what the plan includes, how hotspot and calls work, when the clock starts, topping up and phone compatibility. The short answers are below, and the full detail sits in the sections above.

Most travellers buy a data plan, share it by hotspot where needed, keep their home SIM for calls and codes, and install everything before departure. If your phone is not eSIM ready, check the compatibility guide before buying anything.

For a Christmas market trip, a trade fair or a two city break in Berlin and Munich, a 5GB or 10GB plan on a 30 day validity usually covers the stay with room to spare. Choose the size from your own habits rather than the calendar alone.