Android eSIM Not Working? 2026 Fix Guide for Samsung and Pixel

Android eSIM problems come down to the same core toggles an iPhone uses, Data Roaming, the selected data line, and automatic switching, plus two things that are specific to Android. The first is the APN, which Android sometimes needs entered by hand and iPhone never does. The second is that menu names move around depending on who made your phone, so a Samsung path and a Pixel path for the same setting read differently.

This guide is Android-only, with the two most common layouts, Samsung Galaxy (One UI) and Google Pixel, spelled out separately. If you also use an iPhone, the iPhone eSIM troubleshooting guide covers its quirks, and the combined eSIM troubleshooting guide runs both platforms together.

The Android-only step: the APN

An APN (Access Point Name) tells the phone how to reach the data network. iPhone always fills it in from the carrier profile. Most current Samsung and Pixel phones do too, but enough Android models leave it blank that a missing APN is a real cause of "no data" on Android alone.

Only add an APN after you have turned on Data Roaming and selected the eSIM for mobile data (Symptom 1) and still have nothing. Then:

Samsung Galaxy: Settings → Connections → Mobile networks → Access Point Names → menu (three dots) → Add.

Google Pixel: Settings → Network & internet → SIMs → tap your eSIM → Access Point Names → + (Add).

Fill in:

1. Name: anything you like, for example Travel.
2. APN: globaldata (the default for most travel eSIMs including Lotsotravel; check your activation email if your provider uses a different value).
3. Username and Password: leave blank.
4. Save, return to the APN list, and select the new entry.

Toggle Airplane Mode for 30 seconds so the phone re-attaches using the new APN.

Symptom 1: Signal bars, but no internet

Work through these in order before touching the APN.

Turn Data Roaming on

Travel eSIMs roam onto a local partner network, so the session counts as roaming even in the destination country. Android defaults this off.

Samsung: Settings → Connections → Mobile networks → Data roaming ON.

Pixel: Settings → Network & internet → SIMs → tap your eSIM → Roaming ON.

Select the eSIM for mobile data

Samsung: Settings → Connections → SIM manager → Mobile data → select the eSIM.

Pixel: Settings → Network & internet → SIMs → tap your eSIM → Mobile data ON.

Toggle Airplane Mode for 30 seconds

This forces a clean re-attachment and fixes a large share of stuck sessions. If data still does not come up after this, add the APN using the section above.

Symptom 2: The eSIM connects, then drops to your home SIM

This is the dual-SIM data leak. Android briefly uses the eSIM, then flips back to your home line, and on a roaming home plan that is what runs up charges.

Turn off automatic data switching

Samsung: Settings → Connections → SIM manager → Switch mobile data automatically → OFF.

Pixel: Settings → Network & internet → SIMs → Automatically switch mobile data → OFF.

Turn off Data Roaming on the home line

Set Data Roaming off on your home line specifically, while leaving it on for the eSIM. Background syncs can otherwise negotiate a brief session on the home carrier. Voice and SMS on the home line still work, only its data is blocked.

Symptom 3: The eSIM will not activate or install

Confirm you are online

The install needs internet, and Wi-Fi is fine. Connect to stable Wi-Fi and retry.

Confirm the phone is unlocked

A carrier-locked Android can refuse third-party eSIM profiles even where the hardware supports eSIM. Dial *#06# to confirm an EID is present. If the EID exists but the install fails, check your unlock status with your home carrier.

Confirm OS version and QR status

eSIM needs Android 9 or newer on most devices, so update first if you are older than that. Also confirm the QR has not already been used, since many travel codes are single-use. If it has, ask your provider for a fresh code.

Symptom 4: Activation worked at home, no signal when you land

1. Confirm the line is on. Settings → Connections → SIM manager (Samsung) or Settings → Network & internet → SIMs (Pixel), and make sure the eSIM line is enabled.
2. Give it time, then select manually. Allow up to 15 minutes after landing. If nothing attaches, choose a network by hand: Settings → Connections → Mobile networks → Network operators → Search (Samsung) or the equivalent Choose network screen on Pixel, then pick a listed local carrier.

Symptom 5: Slow speeds, stuck on 3G or "E"

Set the preferred network type

Samsung: Settings → Connections → Mobile networks → Network mode → choose an option that includes 5G/LTE.

Pixel: Settings → Network & internet → SIMs → tap the eSIM → Preferred network type → 5G or LTE.

If the line is pinned to 3G or 2G it will stay there.

Enable VoLTE and move outdoors

Turn on VoLTE for the eSIM line, since some partner networks need it for a stable attachment. Then, if you are in a basement, underground transit, or an old building, step outside and retry, indoor signal can downgrade you to 2G even where outdoor 4G and 5G are fine.

Symptom 6: No voice calls, only data

For most travel eSIMs this is by design. Data-only lines carry no voice number.

• Outgoing calls: WhatsApp, Signal, or another data app over the eSIM.
• Calls to your usual number: keep your home line active and turn on Wi-Fi Calling for it, so calls to your home number ring on your handset using the eSIM data as the underlying connection.

When your menus do not match

Android labels differ by manufacturer. Here is where the same functions live on the two most common layouts.

Phones from Xiaomi, OnePlus, Motorola, and others sit somewhere between these two. Search your Settings app for roaming, mobile data, SIM, or APN to reach the matching screen.

Last resort: reset network settings

If everything above fails, reset network settings before contacting support.

Samsung: Settings → General management → Reset → Reset network settings.

Pixel: Settings → System → Reset options → Reset Mobile Network Settings.

This clears Wi-Fi and Bluetooth state and returns roaming and switching toggles to defaults, but keeps eSIM profiles. Redo the Symptom 1 steps afterward to re-enable roaming and select the eSIM for data.

When to escalate

Most Android eSIM cases resolve with one of: Data Roaming off on the eSIM line, the wrong SIM chosen for mobile data, automatic switching handing you back to the home line, or, on Android specifically, a missing APN. Walk through this guide in order to fix it or to build a clean reproduction case.

If it still will not connect, contact your provider with three details ready: phone model and Android version, the exact symptom, and the destination country. That is enough for support to escalate to the upstream partner network.