Before activating your eSIM on your Huawei Mate 40 Pro, ensure you are connected to the Internet using your mobile data or a Wi-Fi network.
To complete the activation setup of your eSIM on your Huawei Mate 40 Pro, just follow our step-by-step eSIM installation guide and watch below our tutorial for installing an eSIM on Huawei P40 series.
It takes just a couple of minutes to activate your eSIM and you are ready to connect! Just add an eSIM data plan.
With Ubigi, get instant high-quality Internet wherever you are in 200 destinations!
Explore Ubigi eSIM data plans for seamless connectivity worldwide!
Install once, stay globally connected for life with a single eSIM, compatible with all eSIM-enabled devices : iOS Phone, iPad OS, Android, and Windows 10 and 11.
Are you a company with teams on the move?
Manage your employees' LTE/5G connectivity on smartphones, tablets, laptops, and hotspots while maintaining complete control over your costs.
Explore Ubigi eSIM data plans for seamless connectivity worldwide!
Install once, stay globally connected for life with a single eSIM, compatible with all eSIM-enabled devices : iOS Phone, iPad OS, Android, and Windows 10 and 11.
Are you a company with teams on the move?
Manage your employees' LTE/5G connectivity on smartphones, tablets, laptops, and hotspots while maintaining complete control over your costs.
Great
Based on 27384 reviews on
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I will be using Ubigi eSIM again!
This was my first experience of buying and using an eSIM and, once I had worked out how to override my physical SIM card whilst on holiday, I had no problems and great coverage.
Susan, 22 Oct 2025
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Worked well most of the time.
Worked well most of the time.
Noted some problem with reception while inside some train stations and department stores in Osaka and Kyoto.
Guy, 22 Oct 2025
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Great price and connected easily!
Very simple to buy before I left for Portugal and the price was great! I followed the instructions to switch my phone from the home SIM to the Ubigi eSIM, and it connected at the airport soon after I landed. It allowed me to use my phone with my cycling group's What's App, to check museum times, get directions, etc. without any issues at all. Definitely recommend!
Elna, 22 Oct 2025
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Stable signal in Russia
Stable signal in Russia
customer, 22 Oct 2025
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Simple
Simple, great value.
marc, 22 Oct 2025
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Fabulous experience
The entire process was utterly seamless...from online ordering to installation of the eSIM to instant, fast data access upon landing in Tokyo. Will definitely be using Ubigi on my next Japan trip.
customer, 22 Oct 2025
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Not too bad
Price is okay, but it was a bit unstable at times (sometimes it would just really lag), but most time it worked okay
BM, 22 Oct 2025
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Great experience - minor set back with initial connection
The connection was always great.
The App is easy to understand and use.
The explanations and guidance are pro active and easy to understand.
I did need to set up my APN before I got initial service.
The step-by-step troubleshooting guide on the website worked well in pointing out the potential need to do that, which is excellent!
However, I only noticed that is was necessary at the destination were I then had no initial service, which put me under stress.
I am wondering if there would be a way of checking possible connectivity ahead of time or recommending checking this setting before?
Still I would definitely recommend using Ubigi and will do so in the future again!
customer, 22 Oct 2025
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Quick connect in Japan and no wait
Quick connect in Japan and no wait, no hassle..
Harpal Singh, 22 Oct 2025
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Ease of use
Ease of use. Worked great.
customer, 22 Oct 2025
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In Japan with 2 teenage kids....
Been in Japan now for 4 days and coverage in Tokyo has been amazing. Have also been hotspotting to my 2 teenagers, with no lag on either ends. In Kawaguchiko now and still have great network coverage. Very impressed so far!
customer, 22 Oct 2025
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Worked well in different states
It was easy to navigate and it worked in both areas we visited in the states. However in some areas the signals were weak, the internet connection felt slow. Though, I’m happy with the price and the connectivity overall.
customer, 22 Oct 2025
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Good speed
Good speed, good connection.
Just would be nice to have few minutes for calls.
customer, 22 Oct 2025
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Seemless e-sim
I have used other e-sims before which were more complicated to set up. Ubigi was so easy and I got a good promotional deal.
customer, 22 Oct 2025
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Easy & afforable
Easy & afforable
Sean Lee, 22 Oct 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.
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