A Slashtel travel eSIM for Germany connects to O2, Vodafone or Telekom, up to 5G. Your phone picks the strongest signal automatically.
Germany has three main mobile networks: Telekom, Vodafone and O2. A travel eSIM joins the strongest partner network automatically, so your phone works without a contract. Plans start at $1.99. Germany has 129 mobile subscriptions per 100 people and 93 percent of people use the internet, so data coverage is widespread across the country.
Last checked: October 2026
Germany runs three main mobile networks: Telekom, Vodafone and O2. Your travel eSIM does not pick one of them in advance. It joins the strongest partner network wherever you are, and it cannot be locked to one carrier. You get a data-only plan on a country plan, with no local phone number.
The network choice is automatic. When you move around Germany, the eSIM reconnects to whichever partner network is strongest at that spot. You do not choose, switch or configure anything.
The plan is data only. WhatsApp and app calls work over the data connection. Your own SIM stays in the phone for calls and bank texts, so you keep your normal number for anything that needs it.
5G is the current generation on German networks. The country has 129 mobile subscriptions per 100 people and 93 percent of people use the internet, according to ITU data via the World Bank. That density means masts and data service reach most places a visitor goes, and your eSIM uses the 5G partner network where it is available.
Your eSIM connects on the country plan and follows the strongest partner signal. Cities, transport routes and built up areas are where you will notice the difference, and the automatic network choice means you do not manage this yourself.
Coverage figures describe the country as a whole. Your actual signal depends on where you are and what the phone can receive. The eSIM cannot be locked to one carrier, so it always works with whatever partner network is strongest at that moment.
Data use is simple to manage. You can add data to the same eSIM online without a new QR code, so a longer stay does not mean a new install. Plan sizes run from 1 GB to 50 GB, and lengths are 7, 15 or 30 days.
Your phone works in Germany if it supports eSIM and is carrier unlocked. Most recent iPhone, Samsung Galaxy and Google Pixel models do. Check both points before you buy, because a phone that fails either one cannot install the travel eSIM, even though German networks themselves are open to visitors.
The eSIM is a data-only product on a country plan. There is no local phone number, so nobody calls or texts a German number for you. WhatsApp and app calls run over data, and your own SIM stays in for calls and bank texts from home.
If data does not start after you land, turn on data roaming for the eSIM line. On most phones the APN is set automatically, so roaming is the usual fix. You never need to enter network names or pick a carrier.
Payment is by Apple Pay, Google Pay or a card the bank confirms. Prices are in US dollars, shown before payment, with nothing added at checkout. Plans start at $1.99.
Install the eSIM on Wi-Fi before your flight. The QR code arrives by email in minutes, and the plan days start when the eSIM first connects in Germany, not when you buy it. That gives you time to set up at home and full days of data once you arrive.
Keep your own SIM in the phone during setup. The eSIM sits alongside it, and your normal line stays active for calls and bank texts. Label the lines in your phone settings so you know which one carries data.
After landing, the eSIM should connect on its own to a partner network. If nothing loads, check that data roaming is on for the eSIM line. The APN is set automatically on most phones.
Running low is not a problem. You can add data to the same eSIM online without a new QR code, so top ups happen in the app or on the site, not at a shop. Plan details were checked on 2026-10-31.
| Network | Best available |
|---|---|
| O2 | 5G |
| Vodafone | 5G |
| Telekom | 5G |
| Data | Validity | Price | Per GB |
|---|---|---|---|
| 1GB | 7 days | $1.99 | $1.99 |
| 2GB | 15 days | $3.09 | $1.55 |
| 3GB | 15 days | $3.99 | $1.33 |
| 3GB | 30 days | $3.89 | $1.30 |
| 5GB | 30 days | $5.89 | $1.18 |
| 10GB | 30 days | $9.99 | $1.00 |
| 20GB | 30 days | $18.29 | $0.92 |
| 50GB | 30 days | $34.09 | $0.69 |
Most unlocked 4G and 5G phones work in Germany. Your own SIM works only if your home network has a roaming deal there, often at a daily charge. A travel eSIM adds local data on O2, Vodafone or Telekom without roaming fees, as long as your phone supports eSIM.
Travel eSIMs in Germany connect to O2, Vodafone or Telekom. Network choice is automatic and depends on where you are.
A Slashtel eSIM for Germany connects to O2, Vodafone or Telekom. Your phone joins the strongest available network automatically as you move around.
Yes, 5G is available on partner networks in Germany where coverage reaches and your phone supports it. Elsewhere you connect on 4G.
No. The eSIM selects the network with the best signal automatically, which keeps you connected as you travel. It cannot be locked to one carrier.
Validity starts when your eSIM first connects to a network in Germany, so you can buy and install it before you fly.
Germany has three main networks: Telekom, Vodafone and O2. A travel eSIM joins the strongest partner network automatically and cannot be locked to one carrier, so you do not choose a network yourself.
No. It is a data-only plan on a country plan with no local phone number. WhatsApp and app calls work over data, and your own SIM stays in the phone for calls and bank texts from home.
Your days start when the eSIM first connects in Germany, not when you buy it. Install it on Wi-Fi before your flight, then let it connect on arrival. If data does not start, turn on data roaming for the eSIM line.
Network list from our live supplier data. Networks are chosen automatically for the best signal and can vary by location and over time. All countries →