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Deutsch English Español Français Italiano Nederlands Português Türkçe 中文 (中国) 日本語 한국어
$ USD
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Your eSIM order

MONTENEGRO • UNLIMITED • 7 days MONTENEGRO • UNLIMITED • 7 days   
Total US$29.00US$29.00

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Your personal data will be used to process your order, support your experience throughout this website, and for other purposes described in our privacy policy.

What's next?

Install your Ubigi eSIM

Upon purchase, you will instantly receive your QR code by email. Hold and press or scan it to install your Ubigi eSIM.

Create your account

Click on the “Sign up” button from the email to link your eSIM to your Ubigi account, track your usage and top up on the go.

Great Trustpilot stars Trustpilot
Trustpilot stars
Based on 28889 reviews on Trustpilot
5 stars Verified
Verified review
This user has been identified as a buyer
Easy to install and reasonable price
Easy to install and reasonable price. Highly recommend
Michelle Stranges, 23 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Reliable internet
Reliable internet
customer, 23 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Easy to set up, great value, impeccable service!
This is an excellent service for foreigners traveling in Japan! I’ve been to several cities during my trip so far and have had no issues with cellular service! It’s incredibly easy to set up, a very reasonable price, and the service is superb! High recommended!
Stephen, 23 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
easy to use
easy to use, and reception strength is great most of the time ! 2nd time using. would definitely recommend to others.
Ren, 23 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Very easy to install and use
Very easy to install and use
customer, 23 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Worked fast and everywhere I went.
Worked fast and everywhere I went.
customer, 23 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Went to my dream vacation (Tokyo Japan…
Went to my dream vacation (Tokyo Japan & Osaka Japan) and it worked amazing. No issues at all and very affordable that’s what I loved the most!
Demetrius H, 23 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Solid date availability and connection.
Solid date availability and connection. No issues my entire trip.
customer, 23 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Best E-SIM imo
Used Ubigi for my Japan trip 2 years in a row and it never disappoints. I’ve went to 7 different cities using this eSIM (rural and overpopulated) and the connection is still superb.
customer, 22 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Very easy to use
Very easy to use. The minute I buy the plan and enable the eSIM, it works like a champ without any issues. I like it and highly recommend this to all my friends.
pskwan, 22 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Great all worked fine
Great all worked fine
Emmi Poteliakhoff, 22 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Easy to install & use
Easy to install & use. Connection was great. Would use again
JD, 22 Nov 2025
4 stars Verified
Verified review
This user has been identified as a buyer
Good network
Good network. Convenient.
Saima, 22 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
flawless setup
flawless setup, life saver in Japan- worth the price
Mark, 22 Nov 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Bon service j’ai donné la note maximum
Bon service j’ai donné la note maximum
KHARFI, 22 Nov 2025
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How to check if a device is ready for eSIM?
Check eSIM compatibility

Smartphones & Cellular Tablets:

Dial (*#06#). If an EID number shows, your device supports eSIM!

Laptops (Windows 10/11):

Open your flyout (bottom-right corner). If Cellular settings are visible, your laptop supports eSIM!

Check Carrier Unlock

On iOS:

Go to Settings > General > About, scroll to Carrier Lock. If it says "No SIM restrictions", your device is unlocked!

On Android:

Go to Settings > Network & Internet > Mobile Network, turn off Auto network selection. If you see multiple available networks, your device is unlocked! If only one appears, or you get an error, it may be locked.

You already have an eSIM in your cart.

Each order can only include one eSIM data plan.

Current plan: MONTENEGRO • UNLIMITED • 7 days • US$29.00

If you choose to add a new one, the current plan will be removed. What would you like to do?