Czech Republic

Plan Highlights

Premium Network
O2

Activation
No ID Required

Top Speed
5G / 4G LTE ULTRA FAST

Plan Options
Daily/Total/Unlimited

Technical Specs

Plan Type Data Only (No Local Number)

Devices

All unlocked eSIM devices

Check supported phones list →

Coverage

Extensive Nationwide Reach

Enjoy seamless coverage from Prague and Český Krumlov, to Karlovy Vary and Brno.

Activation

Automatic

Auto-start on arrival; turn on data roaming for ByteSIM.

Hotspot

Supported (Share with travel buddies)

Support

24/7 Global Support

Response in under 5 mins via WhatsApp & Email.

Speed Policy

For Unlimited Plans:

Guarantees 1080p HD streaming speeds, even under Fair Usage Policy.

For Daily & Total Plans:

Ultra-fast 5G per quota, then unlimited data at 128kbps.

#1 5G Coverage Network

Powered by O2, Czechia's leader in 5G reach and availability.

Widest 5G Reach #1 5G Coverage. Top-rated for 5G signal breadth across the country.

Most Reliable #1 Consistent Quality. Keeps you connected to 5G longer.

Source: Opensignal® Czechia (February 2026)

$2.90 USD

Data

500MB/Day

1GB/Day

2GB/Day

3GB/Day

10GB/Day

Total 3GB

Total 5GB

Total 10GB

Total 20GB

Total 30GB

Total 50GB

Unlimited Data (*5G Network)

Service Days

1

3

5

7

10

15

20

30

Quantity

Money Back Guarantee? You Bet!

Plans changed? No biggie! With ByteSIM, you're covered. Buy now and enjoy our 6-month money-back guarantee. Changed your mind? No fuss, no muss!

Learn More

Advantages

24/7 Customer Support

Need help? Contact us anytime via email or our 24-hour WhatsApp support. Our human team is always here, no bots, just genuine assistance.

Immediate delivery

If you’re in a rush or you’re already traveling in Czech Republic, don’t worry about waiting for delivery. We send the prepaid eSIM card immediately to your email, so you can connect in seconds through compatible devices such as iPhone XR and Android phones.

Unlimited data plans

High speed (5G/LTE) eSIM data plan,
Unlimited 128kbps afterward.

24/7 Customer Support

Need help? Contact us anytime via email or our 24-hour WhatsApp support. Our human team is always here, no bots, just genuine assistance.

Immediate delivery

If you’re in a rush or you’re already traveling in Czech Republic, don’t worry about waiting for delivery. We send the prepaid eSIM card immediately to your email, so you can connect in seconds through compatible devices such as iPhone XR and Android phones.

Unlimited data plans

High speed (5G/LTE) eSIM data plan,
Unlimited 128kbps afterward.

How to Set Up Your ByteSIM Czech Republic eSIM in 3 Minutes

Check & Choose

Verify your phone is eSIM-compatible and unlocked. Pick the plan that fits your trip and check out.

Check Device Compatibility

Install Before You Fly

We email your eSIM instantly. On stable Wi-Fi, scan the QR or use the ByteSIM App for one-tap install.

Arrive & Activate

On arrival, enable the ByteSIM line in Settings and turn Data Roaming: ON. It auto-connects and activates.

Manage & Add More

Track data & days in the App. Need more? Add another plan (start now or later) and switch lines in one tap.

Check & Choose

Verify your phone is eSIM-compatible and unlocked. Pick the plan that fits your trip and check out.

Check Device Compatibility

Install Before You Fly

We email your eSIM instantly. On stable Wi-Fi, scan the QR or use the ByteSIM App for one-tap install.

Arrive & Activate

On arrival, enable the ByteSIM line in Settings and turn Data Roaming: ON. It auto-connects and activates.

Manage & Add More

Track data & days in the App. Need more? Add another plan (start now or later) and switch lines in one tap.

Amazing service, trusted by travelers

Why trust us

Competitive Price

As a reliable network provider, With millions customers per year, Bytesim is able to provide attractive offers worldwide for tourists and business travelers.

Network Quality

As a licensed telecom oprerator, Bytesim delivers best cellular network speeds and leads on overall network quality by partnering with the best local carriers in 200+ countries.

Flexible Plan Options

We offer a wide variety of plans. Cellular data range from 300MB/Day to 50GB or even unlimited calls and data plans. Service time ranges from 1 day to 30 days. You have more than 50 kinds of data plans to choose from in popular destinations.

Competitive Price

As a reliable network provider, With millions customers per year, Bytesim is able to provide attractive offers worldwide for tourists and business travelers.

Network Quality

As a licensed telecom oprerator, Bytesim delivers best cellular network speeds and leads on overall network quality by partnering with the best local carriers in 200+ countries.

Flexible Plan Options

We offer a wide variety of plans. Cellular data range from 300MB/Day to 50GB or even unlimited calls and data plans. Service time ranges from 1 day to 30 days. You have more than 50 kinds of data plans to choose from in popular destinations.

Compatible Devices for Czech Republic Travel eSIM

You may check the list of eSIM-compatible devices for travel to Czech Republic

Apple

• iPhone XR • iPhone XS • iPhone XS Max • iPhone 11 • iPhone 11 Pro • iPhone 11 Pro Max • iPhone SE (2020) • iPhone 12 Mini • iPhone 12 • iPhone 12 Pro • iPhone 12 Pro Max • iPhone 13 mini • iPhone 13 • iPhone 13 Pro • iPhone 13 Pro Max • iPhone SE (2022) • iPhone 14 • iPhone 14 Plus • iPhone 14 Pro • iPhone 14 Pro Max • iPhone 15 • iPhone 15 Plus • iPhone 15 Pro • iPhone 15 Pro Max

Note: iPhone 10 does not support eSIM. The first Apple phones to do so were the iPhone XR and the iPhone XS in 2018. Previous models are not supported. Full Apple Compatibility List: Check Now.

Android

• Galaxy Z Fold 2 5G • Galaxy Z Flip • Galaxy Z Flip 5G • Galaxy Z Flip3 5G • Galaxy Z Flip4 • Galaxy Z Flip5 5G • Galaxy Fold • Galaxy Fold 3 • Galaxy Z Fold2 5G • Galaxy Z Fold3 5G • Galaxy Z Fold4 • Galaxy Z Fold5 5G • Galaxy S20 • Galaxy S20+ 5G • Galaxy S21 • Galaxy S21+ 5G • Galaxy S21 Ultra 5G • Galaxy S22 • Galaxy S22+ • Galaxy S22 Ultra • Galaxy Note 20 Ultra 5G • Galaxy Note 20, Galaxy S23 • Galaxy S23+ • Galaxy S23 Ultra • Pixel 3 • Pixel 3a • Pixel 3a XL • Pixel 4 • Pixel 4a • Pixel 4a XL • Pixel 5 • Pixel 6 • Pixel 6a • Pixel 6 Pro • Pixel 7 • Pixel 7 Pro • Pixel 8 • Pixel 8 Pro • Pixel Fold

Note: Full Android Compatibility List: Check Now.

GETTING HELP

More information visit Easy-Installation-Guide
ByteSIM call center: WhatsApp : +852 9243 7776.

Let's talk