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Czech Republic Unlimited eSIM Czech Republic Unlimited Data

4 plans · From $5.90 · QR code instantly by email

  • 2 networksO2 · T-Mobile
  • No ID check
  • Validity starts on activation

Czech Net Unlimited

Czech Net Unlimited
PLAN TYPE UNLIMITED
COVERAGE Czech Republic
DATA Unlimited
VALIDITY 1 Day
PRICE $5.90
$5.90 per day
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Czech Net Unlimited

Czech Net Unlimited
PLAN TYPE UNLIMITED
COVERAGE Czech Republic
DATA Unlimited
VALIDITY 3 Days
PRICE $14.90
$4.97 per day
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Czech Net Unlimited

Czech Net Unlimited
PLAN TYPE UNLIMITED
COVERAGE Czech Republic
DATA Unlimited
VALIDITY 5 Days
PRICE $21.90
$4.38 per day
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Czech Net Unlimited

Czech Net Unlimited
PLAN TYPE UNLIMITED
COVERAGE Czech Republic
DATA Unlimited
VALIDITY 7 Days
PRICE $26.90
$3.84 per day
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1 GB of high-speed data every day. Once it is used the speed drops to 128 Kbps, but your connection is never cut off. Data only — no phone number. These lines cannot be refilled — when the validity ends the line is closed.

Secure paymentVisaMastercard3D Secure24/7 chat supportRefund policyQR code instantly by email

Plan Your Trip

Tell us how long you'll be away — we'll highlight the right plan.

3 days
1357
Unlimited data for your trip of 3 days
Recommended: Unlimited · 3 Days — $14.90 Show in list
RECOMMENDED

Czech Net Unlimited

Czech Net Unlimited
PLAN TYPE UNLIMITED
COVERAGE Czech Republic
DATA Unlimited
VALIDITY 3 Days
PRICE $14.90
$4.97 per day
ADD TO BASKET
BUY NOWBuy
Travel photographer uploading photos from smartphone to laptop inside a traditional Czech beer hall with historic Prague architecture visible through windows

Czech Republic Unlimited eSIM – Daily High-Speed Data That Never Cuts Off

Memory card full, 400 raw files waiting to sync, and the café Wi-Fi just asked for a phone number you do not have. The eSIMno Czech Republic Unlimited plan gives you 1 GB of high-speed data every day—and when that runs out, the connection slows to 128 Kbps instead of cutting you off completely.

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NETWORK: O2 & T-Mobile Depending on the plan you choose, you'll connect to one or more of these networks.

Quick Facts

Plan Type
Unlimited data (fair use)
Coverage
Czech Republic
Validity
1-7 days
Daily High-Speed
1 GB, then 128 Kbps
Networks
O2, T-Mobile, Vodafone
Activation
Scan QR code upon arrival
Top-up
Not available
Phone Number
None – data only

How to Get Your eSIM

  1. Purchase and receive your QR code
    Complete your order and receive the eSIM QR code instantly via email. You can buy before your trip or while already in Czech Republic.
  2. Scan and install the eSIM profile
    Open your device settings, select Add eSIM, and scan the QR code. The profile installs in seconds and stays dormant until you activate it.
  3. Activate when you land
    Enable the eSIM profile and turn off your home SIM data. The connection goes live immediately on O2 or T-Mobile networks.
  4. Start uploading
    Your 1 GB daily high-speed allowance begins. Use it for cloud syncs and large uploads, knowing the line stays connected even after the quota.

How the Unlimited Plan Works

Each day you receive 1 GB of high-speed data. Use it however you like—cloud uploads, social media posts, video calls with clients. When the 1 GB runs out, your connection speed drops to 128 Kbps. This throttled speed keeps you online for essentials: loading map routes, sending WhatsApp messages, checking email. It will not support video streaming or VoIP calls reliably.

The daily allowance resets at 00:00 UTC. That is a fixed moment in UTC, not midnight where you are, so check your phone's UTC offset if you plan around it. Every day during your validity period, the full 1 GB returns automatically—no action required on your part.

This is a data-only eSIM. There is no phone number attached, which means no outgoing or incoming calls and no SMS capability. If your workflow requires a working phone number for verification codes or voice calls, the Czech Republic Phone Number includes calling and messaging features alongside data.

Stay Connected Across Bohemia

Content creator uploading photos from smartphone while sitting in a historic Czech courtyard with baroque architecture
Upload your morning's work from any corner of the country—throttled or not, you stay online.

Is This Plan Right for You?

This plan fits if: You upload heavily in concentrated bursts and want the peace of mind that your connection never dies completely. Photographers syncing a day's shoot, creators posting to multiple platforms, or travelers who simply hate watching a data bar creep toward zero will appreciate the throttled fallback. The 1 GB daily reset means you start fresh each morning without rationing a single pool across your whole trip.

A standard data plan fits better if: Your trip exceeds seven days. The longest unlimited bundle covers one week; for anything longer, stacking plans means gaps and hassle. If you consistently need more than 1 GB of high-speed data per day—livestreaming, heavy video uploads, all-day hotspot use—you may hit the throttle too often. And if 128 Kbps sounds too slow even for backup tasks, a larger fixed-data package from the Czech Republic gives you unthrottled access until the quota runs out.

Traveler Tips

  • Queue your largest uploads—raw files, video clips—early in the day while your 1 GB high-speed window is full.
  • Download offline maps for Czech Republic before your trip; at 128 Kbps, loading new map tiles takes noticeably longer.
  • The line cannot be refilled. If your trip extends unexpectedly, purchase a fresh eSIM rather than waiting for a top-up option that does not exist.
  • Keep your home SIM active for receiving SMS verification codes—this data-only plan has no phone number.
  • Check your device clock against UTC to know roughly when your daily quota resets; planning a large upload around that moment can double your effective high-speed window.
  • At 128 Kbps, text-based apps like email and messaging work fine—disable auto-download for media attachments to keep things responsive.

Going Somewhere Else?

This plan covers a single country. If your trip takes you elsewhere - or you are still comparing destinations - see every country with an unlimited data eSIM and pick the one that matches your route.

Compare Connectivity Options for Czech Republic

Recommended
Local SIM / Operator
Roaming
FEATURES
Setup timeFew minutesStore visit + paperworkAuto
No local ID neededOnline checkoutLocal ID requiredUse home account
Speed4G/LTE; 5G in some areasCarrier-gradePartner-dependent
Travel supportEnglish support 24/7Operator shops and call centreHome carrier hours
Keep home numberDual SIMReplaces itSame number
Cost predictabilityFixed priceBills can spikeBill-shock risk

This comparison is based on publicly available information from provider websites and may vary depending on network conditions, location, and service updates. Local SIM prices shown are the lowest publicly listed prices; what you pay at an airport or kiosk is usually higher. Brand names are used for informational purposes only. No affiliation with listed providers.

Frequently Asked Questions (FAQs)

Your connection speed drops to 128 Kbps for the rest of that day. You are not cut off—maps, messaging, and email still work—but video streaming and VoIP calls will struggle until the quota resets.
The daily quota resets at 00:00 UTC. That is a fixed moment in UTC, not midnight where you are, so check your phone's UTC offset if you plan around it.
No. The line cannot be refilled or extended. When your validity period ends, the eSIM closes. If you need more time, you would purchase a new plan.
Not reliably. At 128 Kbps you can send text messages, load map directions, and check email, but video streaming and voice-over-IP calls require more bandwidth than this throttled speed provides.
No. This is a data-only eSIM with no phone number, no voice calls, and no SMS. If you need calling capability, consider the Czech Republic Phone Number eSIM plan instead.
The longest unlimited bundle covers seven days. For trips beyond that, the standard Czech Republic data plans offer extended validity options better suited to longer stays.

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The Czech Republic Unlimited eSIM delivers 1 GB of high-speed data every day. Once you use that allowance, your speed drops to 128 Kbps—slow, but still connected. At 128 Kbps you can load maps, send messages, and check email, but video streaming and voice-over-IP calls will not work properly. This is a data-only line: there is no phone number, no voice calls, and no SMS. The daily quota resets at 00:00 UTC; that is a fixed moment in UTC, not midnight where you are, so check your phone's UTC offset if you plan around it. This plan works best when you need guaranteed connectivity throughout the day without worrying about a hard cutoff. If you upload large files in bursts—photos from a morning shoot, video clips after an afternoon session—the 1 GB high-speed window handles the heavy lifting, and the throttled connection keeps navigation and messaging alive afterward. For trips longer than seven days, the standard data plans offer extended validity that matches your itinerary better. The line cannot be refilled or topped up. When your chosen validity period ends, the eSIM closes and you would need to purchase a new one. Plans run from one to seven days, so pick the duration that covers your trip. If you find yourself needing more than a week of connectivity, consider a longer-validity option from the regular Czech Republic data plans rather than stacking multiple unlimited bundles.

Connected in 3 steps

  1. Choose your planSearch for your destination, then pick the data and number of days.
  2. Install at homeYour eSIM arrives by email and installs in a few minutes with one tap or a QR code.
  3. Connect when you landYour plan's validity starts with its first connection in the coverage area.

Why eSIMno?

  • No more SIM kiosksSkip the airport queues. Install your eSIM at home, activate when you land.
  • No roaming surprisesForget the $200 phone bill three weeks after your trip. Plain pricing, no hidden fees.
  • Keep your own numberDual-SIM means your physical SIM stays active for calls and texts. eSIM handles only data.
  • Setup in 2 minutesScan QR code, follow on-screen steps, you're connected. Works on any eSIM-compatible phone.

Is my phone eSIM compatible?

Most phones released in recent years support eSIM. Check yours in the list before you buy.

  • iPhone XR, XS and later
  • Samsung Galaxy S20 and later
  • Google Pixel 4 and later
  • Xiaomi 12T Pro and later
All eSIM-Compatible Phones

Our guarantees

  • Secure payment with 3D SecurePay by card; every payment goes through your bank's 3D Secure check.VisaMastercard
  • 14-day refund if not installedIf you haven't installed your eSIM yet, you can get a refund within 14 days of purchase, no reason needed.Refund policy
  • 24/7 Customer SupportReach our team via WhatsApp and email during business hours. Quick answers to common questions available anytime through our automated assistant.

Frequently Asked Questions (FAQs)

How fast does the eSIM activate after I switch off airplane mode?
Activation typically takes 10-30 seconds after airplane mode is switched off, depending on local network availability. In some cases it's nearly instant; in remote areas it may take a minute or two. If it doesn't connect within 5 minutes, restart your phone or check that data roaming is enabled.
Can I make phone calls or send SMS?
It depends on the plan you choose. Most eSIMno plans are data-only: on those you cannot place regular calls or send SMS from the eSIM line, but messaging and calling apps work normally over the data connection - WhatsApp, iMessage, FaceTime, Telegram, Signal and Google Meet. We also offer voice plans in selected destinations, and on those calling and SMS work from the eSIM line itself, which comes with its own French phone number and unlimited calling across Europe. Every plan card shows which type it is, so check the plan type before you buy. If you are looking at a voice plan, please also read who you can call and text, and what happens to the phone number - both are explained in their own questions below.
What should I do if I see a 'No network' message after activating my eSIM?
If you see a 'No network' message after activation, try these steps in order: (1) Toggle airplane mode on for 10 seconds, then off. (2) Confirm data roaming is enabled for the eSIM line. (3) Manually select a network in cellular settings. (4) Restart your phone. If the issue continues, contact eSIMno support via WhatsApp or email.
What customer support is available if I have issues?
eSIMno offers support via WhatsApp and email. Our team helps with installation, troubleshooting, billing questions and refund requests during business hours, and our automated assistant answers common questions 24/7. Most issues are resolved within minutes during business hours.
Can I share data from my eSIM with someone else's phone?
Yes, through Personal Hotspot. Activate hotspot on your phone, share the password, and the other device connects to your data. Data used by connected devices counts toward your eSIM plan, so monitor usage to avoid running out faster than expected.
When should I set up my eSIM?
A Wi-Fi connection is required to install your eSIM, so we recommend setting it up before you leave home. Activation can happen later, either right before departure or after you land at your destination - but the initial QR scan needs Wi-Fi.
Can I use the eSIM to make video calls?
Yes - apps like FaceTime, WhatsApp, Zoom, Google Meet, and Microsoft Teams all work over your eSIM data. Video calls use about 200-400 MB per hour depending on quality, so factor that into your plan choice if you make long calls regularly.
Who can I call and text on a voice plan?
Outgoing calls and SMS are unlimited across Europe - that is the calling area, and it is not the same as where the plan gives you data. Incoming calls and SMS go further: they reach you from anywhere in the world, they are free, and they do not use up your allowance. So if someone back home calls or texts your eSIM number, it arrives no matter where they are calling from. If you mainly need to be reachable rather than to make calls, that matters more than the outgoing area.
How can I verify if my eSIM is activated?
There are two clear indicators: (1) your phone's status bar shows the local carrier name once you arrive at your destination, and (2) the data icon (4G, LTE, or 5G) appears next to the eSIMno line in your cellular settings. If neither shows up, turn airplane mode on and then off again, or restart your phone.
Do I need to remove my eSIM after my trip?
You don't have to remove it. When your plan ends, the eSIM stops providing data and moves to Archived in Profile > My eSIMs. If you keep it installed on your phone, you can top it up there and use it again - no new QR code needed (top-ups aren't available for unlimited and voice plans). If you need the space, you can delete the old profile in your phone's cellular settings; after that, you'll need a new eSIM for your next trip.
Can I keep my WhatsApp number while using an eSIM?
Yes. Your WhatsApp number stays linked to your home SIM, so all your chats, contacts, and groups remain unchanged. WhatsApp uses data (not the SIM line directly) for messages and calls, so it works seamlessly over your eSIMno data.
How can I purchase the Czech Republic Unlimited eSIM?
You can purchase your eSIM directly from the eSIMno website - select a Czech Republic Unlimited plan and complete the payment. Within minutes you'll receive an order confirmation email that contains everything you need to install: a QR code, a one-tap install link, the SM-DP+ address and activation code, plus an "Install eSIM" button. You can install straight from that email, or sign in anytime and go to Profile > My eSIMs > Install to get the same options.
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