How to Activate an Airalo eSIM on Samsung Galaxy: One UI SIM Manager Guide [2026]

How to Activate an Airalo eSIM on Samsung Galaxy: One UI SIM Manager Guide [2026]

Marco Bianchi — frequent traveler, dual-SIM iPhone on TIM . I tested Airalo eSIM activation on a Samsung Galaxy S22+ (One UI 6.1), Galaxy S24 Ultra (One UI 7), and Galaxy Z Flip 5 (One UI 6) across Turkey, Egypt, and the USA between 2024 and 2026. All steps verified in the field. See also: eSIM on iPhone .

passwordlost (fibraforum post 4) put it perfectly, and it applies to dual-SIM in general — iPhone or Samsung: "Ever since I started using dual-SIM with Airalo, traveling has been a completely different experience." On Samsung the concept is the same, but the interface is its own thing: the central hub is called SIM Manager, not "Cellular" like on iPhone, and Samsung has a few quirks — Knox security, Bixby Routines for automatic SIM switching, Smart Switch for device transfers — that deserve their own page. For the general Android guide covering Xiaomi and Pixel as well: general Android guide: Samsung + Xiaomi + others . On iPhone? dedicated iOS guide .

Below you'll find: the 6 core steps that work on any Galaxy running One UI 6 or One UI 7, the practical differences between One UI versions, the right dual-SIM setup for US travelers who want to keep their home number active (for banking, 2FA, etc.) alongside Airalo data, how to use Bixby Routines and Modes to switch automatically, what Smart Switch does (and doesn't do) with Airalo eSIMs, and — if the eSIM won't activate — 6 checks in order. For the big picture: how Airalo works if you've never used it .

TL;DR — How to Activate an Airalo eSIM on Samsung Galaxy in 6 Steps

TL;DR — How to activate an Airalo eSIM on Samsung: Download the Airalo app from the Galaxy Store or Play Store, buy a plan for your destination, tap "Start Installation" on WiFi. One UI opens "Add mobile data plan" and downloads the profile. Go to Settings > Connections > SIM manager, label the line "Airalo USA", set mobile data to the Airalo line, and enable data roaming ONLY on the Airalo line. Once you land, the eSIM registers on the local carrier (T-Mobile, Turkcell, NTT Docomo) — usually within 30–60 seconds. Learn more: how Airalo works .

The full flow, valid for Galaxy S22 / S23 / S24 / S25 / Z Fold / Z Flip running One UI 6 and One UI 7:

1. Download the Airalo app from the Galaxy Store or Play Store. Create an account or sign in. Do this on WiFi (not mobile data), ideally on a stable home or hotel network.
2. Buy a plan for your destination (e.g., "USA Change 5 GB / 30 days"). Pay via Google Pay, Samsung Pay, or card. Confirm.
3. Tap "Start Installation" on the "My eSIMs" screen. The Airalo app hands off to Samsung One UI, which opens the "Add mobile data plan" panel. Tap Add and wait 5–15 seconds.
4. Label the line. Samsung prompts for a custom name: type "Airalo USA" or "USA Data". Your home SIM stays labeled with your carrier name (e.g., T-Mobile, AT&T, or whatever you've set).
5. Open SIM Manager. Settings > Connections > SIM Manager. Tap the Airalo line and confirm it's ENABLED (green toggle). Under "Preferred line": Mobile data → Airalo USA, Calls → your home SIM, Messages → your home SIM.
6. Configure roaming. Still in SIM Manager, tap the Airalo USA line → tap "Mobile networks" → ENABLE "Data roaming". Go back, tap your home SIM line → tap "Mobile networks" → DISABLE "Data roaming" (so your home carrier doesn't charge you anything).

Done. The Airalo eSIM stays dormant until you land. When you arrive and turn off airplane mode, Samsung latches onto the local network (T-Mobile USA, Turkcell in Turkey, NTT Docomo in Japan) within 30–60 seconds. ilboy95 (fibraforum post 6) described the experience like this: "Installed at the airport — working immediately after landing, the whole trip." That's the standard pattern on Galaxy too.

Requirements: Galaxy S20+ or Newer, One UI 5+

TL;DR — Which Samsung Galaxy devices support Airalo eSIM: Galaxy S20 / S20+ / S20 Ultra (2020), S21, S22, S23, S24, S25 (all sizes, including Plus and Ultra) sold in the EU/US. Galaxy Z Fold 2 / 3 / 4 / 5 / 6 and Z Flip 3 / 4 / 5 / 6 / 7. Note 20 and Note 20 Ultra. Mid-range A54, A55, A56 in European variants. The minimum software is Android 11 / One UI 3, but to avoid SIM Manager bugs, Android 13 / One UI 5 or higher is strongly recommended.

What to check before you travel:

• Compatible Galaxy model. See the list above. If you have an S10, S10+, or Note 10, eSIM isn't available (it was optional on select variants only). On S22 / S23 / S24 / S25 sold in Europe and the US, it's always included.
• One UI version. Go to Settings > About phone > Software information to check your One UI version. One UI 6, 6.1, and 7 are all fully compatible. One UI 8 (in beta on S25 Ultra) introduces minor UI changes but the underlying logic is the same.
• "European" or "US" model This is a Samsung-specific quirk: some Galaxy devices sold in Asia-Pacific (Hong Kong, China , Vietnam region codes) have eSIM disabled at the firmware level. In Settings > Connections > SIM Manager you simply won't see an "Add eSIM" option. Verify that your IMEI is registered as EU or US. If you bought a Galaxy in Asia, you may run into this.
• eSIM storage capacity. Galaxy S22 and later can hold up to 5 installed eSIM profiles, with 2 active simultaneously alongside the physical SIM ("Triple SIM" mode is only available on Z Fold 6+ in select markets). So you can stack Airalo USA + Airalo Turkey + Airalo Japan and switch which one is active at any time.
• Stable WiFi during installation. The profile is only ~5 KB, but the process makes multiple round-trips to Airalo and Samsung servers. Use home or hotel WiFi, not an airport network.

SIM Manager on One UI: Samsung's Central Hub

Where iPhone has "Cellular" as its single hub, Samsung has SIM Manager. The path is:

Settings > Connections > SIM Manager

On pre-One UI 5 devices it was called "SIM card manager." From One UI 6 onward, "SIM Manager" is the default name regardless of device language. Here's what the panel offers — this is where Samsung meaningfully diverges from iPhone.

SIM Manager has 3 sections:

1. Active SIM cards. A horizontal carousel showing all installed lines. Your physical home SIM is always first. eSIMs (Airalo, others) follow. Tap a card to:

• Toggle on/off (you can temporarily disable an eSIM without deleting it — very handy)
• Change the icon / color
• Rename it ("Airalo USA" → "Florida Trip" if you want)
• See the number (Airalo is data-only, but a number is still assigned — it just can't receive calls)

2. Preferred line. The 3 critical toggles for dual-SIM:

• Mobile data: choose which line consumes data. While traveling: Airalo.
• Calls: default line for outgoing calls. For dual-SIM travelers keeping a home number: your home SIM. WhatsApp and Telegram call over Airalo data anyway, so your home line stays available for banks and other calls that need your real number.
• Messages: outgoing SMS. Your home SIM (banks and services send OTP codes to your home number).

3. More settings. Call forwarding between lines, "Always ask" for the outgoing line on each call, and per-line contact management (useful if you have contacts saved by region).

A practical note from a Reddit r/Samsung commenter: "on the S22, SIM Manager hides the advanced options — go to Connections". The point is that some advanced settings (manual network selection, custom APN) are NOT in SIM Manager but under Settings > Connections > Mobile networks, inside each individual line's entry. If you're looking for a setting and can't find it in SIM Manager, it's probably there.

Step-by-Step: Adding an eSIM via QR Code vs. the Airalo App

Samsung supports 3 ways to add an eSIM:

Method 1: Airalo app "Start Installation" (recommended). The Airalo app opens Samsung's "Add mobile data plan" screen pre-filled. Tap Add and Samsung downloads the profile from Airalo's server in 5–15 seconds. No PIN, no scanning. This is the default flow.

Method 2: QR code from the app. If "Start Installation" throws an error (rare), Airalo offers a fallback: My eSIMs > three dots on the eSIM > "Install Manually" > the QR code opens as an image. Open it on a second screen (laptop, tablet, or a travel companion's phone), then on the Galaxy go to Settings > Connections > SIM Manager > "Add eSIM" > "Scan QR code". This always works.

Method 3: manual activation code (SM-DP+ + token). Last resort when the QR is unreadable. From My eSIMs > "Install Manually" > choose "Enter manually" — you'll get the SM-DP+ address and Activation Code. In Samsung's "Add eSIM" screen there's an "Enter activation code" field where you paste them. Not pretty, but it works.

NicoInve (fibraforum post 2) summed up the typical experience: "everything worked perfectly on the first try, great support and ease of use." Same on Samsung: in 90%+ of cases, Method 1 (app Start Installation) works on the first attempt.

Differences: One UI 5 / 6 / 7 / 8

One UI 5 (Android 13, 2022–23). Path: Settings > Connections > SIM Manager. "Add eSIM" panel with two options: "Scan QR code" and "Enter manually." Text-only layout, no preview.

One UI 6 (Android 14, 2023–24). Same path, improved layout. Adds a profile preview before confirming installation (shows carrier name and country before downloading).

One UI 6.1 (Galaxy S24, January 2024). Adds Smart Switch eSIM transfer (see dedicated section below). Cleaner SIM Manager panel that groups eSIMs into a separate section when you have more than 2.

One UI 7 (Android 15, 2024–25). More visual "eSIM Profiles" panel with recognizable carrier logos (Airalo, TIM, Vodafone). Adds a "Show supporting carrier" toggle that — handy for Airalo — shows which local network the eSIM has connected to (T-Mobile, Turkcell, NTT Docomo).

One UI 8 (Android 16, 2025–26 beta). SIM Manager moved to a top-level entry in Settings in some markets. The logic is identical.

Dual-SIM Setup: Keep Your Home Number + Use Airalo for Data

TL;DR — Samsung dual-SIM with a home number and Airalo: Yes, this is the recommended setup for US travelers. Keep your physical home SIM (T-Mobile, AT&T, Verizon, or any US carrier) as the primary line for calls, SMS, and 2FA. Add the Airalo eSIM as a data-only second line. In Settings > Connections > SIM Manager, set mobile data to the Airalo line, enable data roaming ONLY on the Airalo line, and disable data roaming on your home SIM so your carrier doesn't charge you anything abroad.

[Note: the following toggle list references Italian carrier names and Italian-specific services (SPID, INPS). These are Italy-only context; US readers should substitute their own home carrier and 2FA services.]

The Samsung dual-SIM setup in 7 toggles:

1. SIM Manager > Preferred line > Calls: home SIM (for calls to banks, family, services).
2. SIM Manager > Preferred line > Messages: home SIM (banks and services send OTP codes via SMS to your home number).
3. SIM Manager > Preferred line > Mobile data: Airalo line. This toggle decides which line carries your data traffic.
4. Connections > Mobile networks > [home SIM] > Data roaming: DISABLED. Prevents your home SIM from downloading even a single MB abroad.
5. Connections > Mobile networks > [Airalo line] > Data roaming: ENABLED. Without this, the Airalo eSIM installs fine but never connects when you land. This is the single most common mistake. alanfibra (fibraforum post 43) asks this every time someone posts "Airalo isn't working": "Did you enable data roaming?"
6. Connections > Mobile networks > [home SIM] > Network mode: 4G/3G/2G (auto). Let the home SIM pick — it won't use data with roaming off anyway.
7. Connections > Mobile networks > [Airalo line] > Network mode: 5G/4G/3G/2G (auto). To take advantage of 5G where available.

Knox bonus: Galaxy devices with Knox security (S22 and later) have an extra protection called "Connections > Security > Secure network profiles" that blocks certain public networks by default. This doesn't interfere with Airalo, but if you're having trouble connecting to a local network, try disabling it temporarily.

Bixby Routines / Modes: Automatic SIM Switching

One thing Samsung does better than iPhone: you can automate SIM switching with Modes and Routines (called "Modes and Routines" on pre-One UI 7, "Modes" on One UI 7+).

Typical setup: a "Travel" routine that triggers when the phone detects you're abroad (via geolocation or timezone change). Actions:

• Set mobile data → Airalo line
• Enable data roaming on Airalo line
• Disable data roaming on home SIM
• (Optional) Set brightness / battery saver mode

"Home" routine that triggers when you return:

• Set mobile data → home SIM
• Disable the Airalo eSIM (toggle off in SIM Manager — does not uninstall it)
• Keep home mobile data active

Path: Settings > Modes and Routines > Routines > + > Trigger: "Timezone change" or "Location: Home/Abroad" → Actions: "Set data line", "Data roaming", etc.

Takes about 10 minutes to set up and eliminates the risk of forgetting a toggle before you leave. This is Samsung-specific: iPhone has Shortcuts but with far less control over the SIM Manager.

Smart Switch and Airalo eSIM (What It Can't Do)

Smart Switch is Samsung's tool for transferring data between Galaxy devices. Starting with One UI 6.1 (Galaxy S24, January 2024) it also supports eSIM transfer. But there's an important caveat for Airalo:

• Works for carrier eSIMs (T-Mobile US, EE UK , and other major carriers).
• Does NOT work for Airalo eSIMs. An Airalo eSIM is bound to the specific device it was installed on, and Smart Switch cannot clone it over Bluetooth.

What to do when switching Samsung phones with Airalo already installed:

1. Open the Airalo app > My eSIMs > tap the eSIM you want to move > three dots > "Reinstall."
2. The app removes the eSIM from the old Samsung and issues a fresh installation for the new phone.
3. On the new Samsung, follow the "Start Installation" flow just like a fresh install.
4. On the old Samsung, go to Settings > Connections > SIM Manager > tap the removed eSIM > "Delete" (just to keep things tidy).

The "Reinstall" option is available for most standard Airalo plans. Plans that include call credits or large regional bundles may require contacting Airalo support for reissuance. Learn more: Airalo review .

eSIM Won't Activate? 6 Checks in Order

It happens. Here are 6 checks in order — the sequence the community has used for years that resolves 90% of cases on Samsung. For the full troubleshooting page: what to do when your Airalo eSIM won't activate .

1. Data roaming enabled on the Airalo line. Connections > Mobile networks > [Airalo line] > Data roaming. This is check #1 per alanfibra. Without it, Samsung sees the eSIM but never registers it on the local network.
2. Mobile data set to the Airalo line. SIM Manager > Preferred line > Mobile data → Airalo. If it's still set to your home SIM, the eSIM is installed but never actually used for data.
3. APN configured. Automatic for most countries. In rare cases (some Southeast Asian destinations) Airalo instructs you to set the APN manually. Find it under Connections > Mobile networks > [Airalo line] > Access Point Names > +. The typical Airalo APN is "internet" or similar — check the Plan Details section in the app.
4. Network selection set to Automatic. Connections > Mobile networks > [Airalo line] > Network operators > Automatic. If it still doesn't connect in an urban area within 60 seconds, try manual and select one of the carriers from the list (e.g., T-Mobile USA, Turkcell in Turkey, NTT Docomo in Japan).
5. Airplane mode on/off. Enable airplane mode, wait 30 seconds, disable it. Forces Samsung to reconnect to all networks and often breaks the logjam.
6. Restart your Samsung. Power off completely, wait 10 seconds, power back on. Basic, but clears most remaining cases. See also: eSIM in Saigon .

If nothing works, contact Airalo support via in-app chat. Community feedback on support responsiveness has been consistently positive (CosimoP, fibraforum post 44: "super responsive — Airalo gets my recommendation").

Samsung eSIM FAQ

How do I activate an Airalo eSIM on a Samsung Galaxy? Download the Airalo app, buy a plan, tap "Start Installation" on WiFi. Samsung opens "Add mobile data plan" and downloads the profile. In SIM Manager, label the line, set mobile data to Airalo, enable data roaming ONLY on Airalo. It registers automatically when you land.

Which Samsung Galaxy devices support eSIM in 2026? S20+ and later, Z Fold 2+, Z Flip 3+, Note 20, A54/A55/A56. European/US model required (EU IMEI). One UI 5+ recommended.

Can I use my home SIM and Airalo at the same time? Yes, that's the recommended setup. Home SIM for calls / SMS / 2FA, Airalo for data. Data roaming OFF on home SIM, ON on Airalo.

What do I do if Samsung doesn't recognize the Airalo eSIM? Six checks in order: data roaming, mobile data set to the right line, APN, automatic network selection, airplane mode on/off, restart. If still broken, contact Airalo support via in-app chat.

Are One UI 6 and One UI 7 the same process? Yes, identical. One UI 7 only adds a supporting carrier preview.

Can Smart Switch transfer an Airalo eSIM between Samsung phones? No. For Airalo, use "Reinstall" in the Airalo app on the new phone, then do a fresh install.

Do the Galaxy A54/A55/A56 support eSIM? Yes, in European variants. Older Galaxy A30/A40/A50 do NOT.

Is Samsung's SIM Manager the same as iPhone's Cellular panel? Equivalent function, different layout. Samsung separates SIM management into a dedicated panel under Connections; iPhone puts everything under Cellular. For the iPhone comparison , see the dedicated iOS guide.

For the full provider overview with community feedback and multi-country testing: our Airalo review after real trips .

--- Read next: Airalo vs. Vodafone Smart Passport .

Procedure tested on Galaxy S22+ (One UI 6.1, April 2024 Egypt), Galaxy S24 Ultra (One UI 7, January 2026 Turkey + USA), Galaxy Z Flip 5 (One UI 6, October 2025 short trip to the US). Cross-validated against fibraforum thread 42484 (58 posts, 2023–2025). Last One UI 7 UI check: May 7, 2026. This site contains affiliate links: if you purchase through these links we earn a commission at no extra cost to you. Our editorial opinions are independent.

How do I activate an Airalo eSIM on a Samsung Galaxy?

Download the Airalo app from the Galaxy Store or Play Store, buy a plan for your destination, and tap "Start Installation" on WiFi. One UI opens "Add mobile data plan" and downloads the profile. Go to Settings > Connections > SIM Manager, label the line "Airalo USA" (or your destination), set mobile data to the Airalo line, and enable data roaming ONLY on the Airalo line. Once you land, the eSIM automatically registers on the local carrier.

Which Samsung Galaxy devices support eSIM in 2026?

Galaxy S20/S20+/S20 Ultra (2020), S21, S22, S23, S24, S25 (all sizes) sold in Europe or the US. Galaxy Z Fold 2/3/4/5/6 and Z Flip 3/4/5/6/7. Note 20 and Note 20 Ultra. Mid-range A54, A55, A56 in European variants. Important: some Galaxy devices sold outside the EU/US (Asia-Pacific, China) have eSIM disabled at the firmware level. Confirm your model is the European or US version (EU IMEI typically starts with 35X or 86X) before trying to install.

Can I use my home SIM and Airalo together on a Samsung Galaxy?

Yes, and that's the recommended setup. Keep your physical home SIM (T-Mobile, AT&T, Verizon, or any US carrier) as the primary line for calls, SMS, and 2FA. Add the Airalo eSIM as a second data-only line. In Settings > Connections > SIM Manager, set mobile data to the Airalo line, enable data roaming ONLY on Airalo, and disable data roaming on your home SIM. WhatsApp stays linked to your home number and routes calls over Airalo data.

[Note for US readers: references to TIM/Vodafone/WindTre/Iliad, SPID, and INPS in the original are Italian-specific context. Substitute your own US carrier and 2FA setup.]

Where is SIM Manager on Samsung One UI 7?

The correct path on both One UI 6 and One UI 7 is Settings > Connections > SIM Manager. On older devices (One UI 4 and earlier) it was called "SIM card manager." From One UI 6 onward the name is "SIM Manager" regardless of device language. From here you can add an eSIM, label lines, set preferred line for mobile data, calls, and SMS, and toggle data roaming per individual line. It's the central panel for all dual-SIM management.

Can Smart Switch transfer an Airalo eSIM from one Samsung to another?

Smart Switch can transfer a carrier eSIM (T-Mobile, AT&T, and other major carriers) between two Samsung phones via Bluetooth, but it cannot transfer an Airalo eSIM. Airalo eSIMs are bound to the specific device they were installed on. If you're switching phones, open the Airalo app > My eSIMs > three dots on the eSIM > "Reinstall" — this removes it from the old Samsung and lets you install it fresh on the new one. Available for most standard plans (not for plans with call credits).

What do I do if Samsung doesn't recognize the Airalo eSIM after installation?

Six checks. One, data roaming enabled on the Airalo line (alanfibra, post 43). Two, mobile data set to the Airalo line in SIM Manager. Three, APN configured (usually automatic on Samsung; a few countries require manual setup under Connections > Mobile networks > Access Point Names). Four, network selection set to Automatic in Mobile networks — try manual selection if it still doesn't connect. Five, airplane mode on/off for 30 seconds. Six, restart the phone. If nothing works, contact Airalo support via in-app chat.

Are One UI 6 and One UI 7 the same process?

Yes, the logic is identical. One UI 6 (Android 14, 2023–24) and One UI 7 (Android 15, 2024–25) both use Settings > Connections > SIM Manager with a very similar interface. One UI 7 adds a more visual "eSIM Profiles" screen and improves custom label management. One UI 8 in beta (Android 16, 2025–26) moves SIM Manager to a top-level Settings entry in some markets, but for Airalo nothing changes.