Travel eSIM ReviewsHelloRoam on Samsung Galaxy S25 Ultra eSIM Review (2026)
Verdict:
HelloRoam is the best eSIM for Samsung Galaxy S25 Ultra in 2026 on our rubric at 8.9/10, with plans from $0.29/GB across 186 countries, 5G and hotspot on every plan, and QR install. Airalo (8.7/10) is the multi-country alternative. Holafly (8.3/10) is the unlimited-data alternative. The Samsung Galaxy S25 Ultra scores 9.2/10 as travel eSIM hardware, with moderate setup and eSIM + nano-SIM, so a home number can stay active while HelloRoam handles data.
Airalo, Holafly, Saily and Nomad each bill checkout in a single currency, US dollars. A card held in euros or yen pays a 2 to 4 percent bank conversion markup on top of the listed price at all four.
Overall Score
9.2/10 for Travel eSIM
Based on setup difficulty, dual-SIM behavior, 5G support, battery impact, and provider compatibility.
Setup
7/10
Dual SIM
eSIM + nano-SIM
5G
Yes
Battery Impact
minimal
Setup Guide
How to Install eSIM on Samsung Galaxy S25 Ultra
A few extra steps compared to iPhone. About 2 minutes.
- 1
Open Settings > Connections > SIM manager
- 2
Tap Add eSIM
- 3
Scan QR code from provider
- 4
Follow on-screen activation
- 5
Set travel eSIM as mobile data line
- 6
Disable home SIM data roaming
Dual SIM
eSIM + nano-SIM Configuration
How this device handles multiple SIM lines for travel.
The Samsung Galaxy S25 Ultra uses a eSIM + nano-SIM configuration. One eSIM plus one physical nano-SIM slot. Keep your home SIM in the tray for calls. Install a travel eSIM for data.
Network
Samsung Galaxy S25 Ultra network support
What the hardware supports. Your actual speed depends on the carrier and the cell you are on.
Top network
5G
eSIM support
eSIM + nano-SIM
Setup
moderate
We publish no Mbps figure for any device. A phone reaches whatever the carrier delivers where you are standing, so the useful facts here are the network generation the hardware supports and how the eSIM installs.
Battery
Battery Impact with Dual eSIM
Running a travel eSIM alongside your home SIM adds little extra battery drain on this device.
Minimal Impact
little extra battery drain
Graded from the device’s dual-line radio configuration. This site runs no battery test and publishes no drain percentage for any device.
Compatibility
Compatible Travel eSIM Providers
5 of 5 providers list this device as supported.
Assessment
Samsung Galaxy S25 Ultra eSIM Pros & Cons
Pros
- Snapdragon X80 modem supports every 5G band travel eSIMs use
- S Pen for noting APN settings
- 5000mAh battery handles dual SIM all day
Cons
- eSIM setup has more steps than iPhone
- Some carrier-locked variants restrict eSIM use
Verdict
Should You Use Samsung Galaxy S25 Ultra for Travel eSIM?
The Samsung Galaxy S25 Ultra is one of the best devices for travel eSIM. Setup is straightforward. 5G support means fast speeds in supported countries. eSIM plus nano-SIM lets you keep your home number active.
HelloRoam is the best travel eSIM
8.9/10 on our rubric · 186countries · plans from $0.29/GB · 180-day refund.
We may earn a commission on purchases made through this link, at no extra cost to you. Read how we score providers in our review process.
See plan pricesFAQ
Samsung Galaxy S25 Ultra eSIM Questions
01What is the best eSIM for Samsung Galaxy S25 Ultra?
HelloRoam is the best eSIM for Samsung Galaxy S25 Ultra in 2026 on our rubric at 8.9/10, with plans from $0.29/GB across 186 countries, 5G and hotspot on every plan, and QR install. Airalo (8.7/10) is the multi-country alternative. Holafly (8.3/10) is the unlimited-data alternative.
02How do I activate eSIM on Samsung Galaxy S25 Ultra?
Go to Settings > Connections > SIM manager > Add eSIM. Scan the QR code from your travel eSIM provider. The process takes about 2 minutes.
03Does Samsung Galaxy S25 Ultra support dual SIM with eSIM?
Yes. You can use one physical nano-SIM and one eSIM simultaneously. Both lines can be active for calls and data.
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