Product Description
It is a data-only eSIM product that can be used in Czechia.
We provide mobile data services through O2 and Vodafone networks.
You can use up to 5G when connected to O2, and up to 4G LTE network when connected to Vodafone.
With a fixed-data plan that freely uses the entire purchased data capacity within the product usage period, Czechia Free Travel·Business trip·Suitable for long-term stay with central Europe connection Travel.
🌐 Supported countries
🇨🇿 Czechia (Czechia·Czech Republic)
📡 Communication information
🏢 Supported carriers
O2
Vodafone
📶 Network
O2 — 5G / 4G LTE
Vodafone — 4G / LTE
🌐 Network type
Roaming network
📞 Voice call
Not supported
💬 SMS text messages
Not supported
📱 Product form
Data-only eSIM
📌 Depending on the region and local network situation, it can be automatically connected to either O2 or Vodafone.
📌 The maximum network supported depends on the connected carrier.
📌 You can use 5G when connected to O2 from a 5G-supported and compatible terminal.
📦 Product information
✔ Czechia dedicated eSIM
✔ Data-only fixed-data plan
✔ Use freely within the entire data capacity purchased
✔ Internet connection ends when the purchased data is exhausted.
✔ O2 5G support
✔ Vodafone 4G LTE support
✔ Automatic connection to local support communication network
✔ No need to replace the real physical SIM card
✔ Easy installation with QR code or provided installation information
✔ a map·Translation·Traffic·Travel reservation app available
✔ Kakao Talk·LINE·WhatsApp is available
✔ Hot spot·Tethering is available
📌 Fixed-data plan is a method of freely using the purchased data capacity within the product usage period.
📌 If you use all the purchased data, the Internet connection will be terminated.
📌 It is not a product where data is newly provided or reset every day.
📌 It can be used with up to 5G when connected to O2 network, and up to 4G LTE when connected to Vodafone network.
📌 Actual connection speeds and quality can vary by region, mobile phone model, supported frequency, building structure, and local network conditions.
📱 Available services
✔ ChatGPT
✔ Google·Gmail
✔ YouTube
✔ Instagram·Facebook·TikTok·X
✔ Kakao Talk·LINE·WhatsApp
✔ Google Maps·Apple Maps
✔ Translation app
✔ A steam locomotive·Tram·Public transportation app
✔ a navigator·a hotel·Travel reservation app
✔ Internet banking app
📌 Depending on the local Internet environment and the operating policy of each service, the access status and quality of some services may vary.
📌 Since this product is data-only, it does not support voice calls using regular phone numbers and SMS SMS.
📌 Data-based messages and voice calls such as Kakao Talk, LINE, and WhatsApp are available.
📍 Recommended travel destinations
📍 Prague (Prague)
📍 Prague Castle (Prague Castle)
📍 Charles Bridge (Charles Bridge)
📍 Czech Krumlov (Český Krumlov)
📍 Brno (Brno)
📍 Karlovy Vary (Karlovy Vary)
📍 Kutná Hora (Kutná Hora)
📍 Plzen (Plzeň)
📍 Olomouc (Olomouc)
📍 České Budějovice (České Budějovice)
📍 Bohemian Switzerland National Park (Bohemian Switzerland)
📍 Moravia Wine Region (Moravia)
✈️ I recommend this kind of trip.
✔ Czechia Freedom Travel
✔ Prague business trip and business Travel
✔ Prague Old Town·Sex Travel
✔ Český Krumlov Day Trip Travel
✔ Karlo Vivari hot spring Travel
✔ Brno·Moravia Travel
✔ Czechia train·Car rental Travel
✔ Czechia Study abroad and long-term stay
✔ Austria·Czechia·Hungary Link Travel
✔ Germany·Poland·Czechia Central Europe Travel
⏰ Activation policy
✔ After installing eSIM, it will start using it when it is connected to the Czechia local support network for the first time.
✔ You can freely use the entire data capacity you purchased within the product usage period.
✔ The exact availability period is applied based on the purchased product options.
📌 It is recommended to install eSIM in advance in a stable Wi-Fi environment before leaving the country.
📌 Do not use this eSIM as a mobile data line before arriving at Czechia.
📌 Czechia Locally, you need to select this eSIM as a mobile data line and turn on the data roaming function to connect normally.
📌 This product is a fixed-data plan and the data is not reset every midnight or 24 hours every day.
📱 Things to check before use
✔ The device you are using must support eSIM.
✔ The carrier must be an unlocked phone.
✔ Please check whether you support eSIM before leaving the country.
✔ It is recommended to use QR codes and installation information only for one device.
✔ Do not delete the installed eSIM profile arbitrarily.
✔ Czechia Please set this eSIM as a mobile data line locally.
✔ Please activate the data roaming function.
📌 Deleted eSIMs may not be reinstalled or reissue may be restricted.
📌 It is recommended to turn off the data roaming of the existing domestic physical SIM card and designate only the Czechia eSIM as a mobile data line.
💸 Exchange and refund policy
✔ Within 30 days after issuance
✔ Cancellation / Refund / Return possible if unused
📌 Installed or activated eSIM·If activated, cancellation and refund may be restricted.
📌 Products with data may not be recognized as unused products.
📌 If QR code or installation information is used, refunds may be restricted due to the nature of the product.
📡 Hot spot·Tethering
✔ Hot spot available
✔ Tethering is available
📌 Availability and speed may vary depending on the terminal, product options, and local communication environment.
📌 Connecting a laptop or multiple devices can quickly run out of purchased data.
⚠️ Communication information by region
In major cities such as Prague, Brno, Plzen, and Olomouts, it is relatively smooth within the range of the local support network.
However, the signal may be weak or unconnected in long-distance travel sections between national parks, forests, rural areas, and mountainous areas and cities.
Český Krumlov, Bohemian Switzerland National Park and offline map and accommodation when visiting the Moravian wine region·A steam locomotive·It is recommended to save the bus reservation information in advance.
📌 Inside the thick stone buildings in Prague’s old town, the subway, underground spaces, and inside the castle, the signal can be weak.
📌 Germany·Austria·Poland·Slovakia You can search the communication network of neighboring countries near the border, so please check your mobile network settings.
❓ FAQ
Which communication network does Czechia use?
Use O2 or Vodafone network.
Depending on the region and local communication environment, it can be automatically connected to one of the supporting carriers.
Are the networks of O2 and Vodafone different?
Yes.
Up to 5G can be used when connected to O2, and up to 4G LTE can be used when connecting to Vodafone.
Actual connection carriers and speeds depend on the region and local network conditions.
What is a fixed-data plan?
It is a way to freely use the entire data capacity purchased within the product usage period.
It is not a product that resets data every day, and if you use all the purchased data, the Internet connection will be terminated.
Can I use Czechia all over the country?
It can be used in major cities and tourist attractions such as Prague, Brno, Plzen, and Český Krumlov.
In national parks, forests, rural areas and outlying areas, the quality of the connection may vary depending on the local communication network situation.
Are you always connected to 5G?
No.
If you are using a compatible terminal in an O2 5G-enabled region, you can connect to 5G.
When connected to Vodafone, it can be used with up to 4G LTE, and when connected to O2, it can also be connected to 4G LTE depending on the region and network situation.
Is the data reset every day?
No.
This product deducts the actual usage from the entire data purchased with the fixed-data plan.
It is not a product that resets data every midnight or every 24 hours.
Can I use it right away from Prague Airport?
Czechia can be used if it is connected to the local support network normally.
After arrival, please select this eSIM as a mobile data line and activate the data roaming function.
Can I use it on the Prague subway?
It can be connected in some sections, but the subway station·In tunnels and underground spaces, the signal may be weak or temporarily disconnected.
Can I use it in Český Krumlov?
In the city center and major accommodations, it can be used within the range of the local support network.
Signals can be weak inside old stone buildings and on the outskirts of the castle.
Can I use regular phone calls and SMS texts?
No.
This product is a data-only eSIM and does not support general voice calls and SMS SMS.
Data-based messages and voice calls such as KakaoTalk, LINE, and WhatsApp can be used.


