Open your order on a laptop or another phone, then scan it with the phone that will use the eSIM. A phone can't scan a code displayed on its own screen.

iOS 17.4 and newer

Tap "Install on this iPhone"

Open your order page on the iPhone itself and tap the install button. iOS passes the code straight to the eSIM installer.

Works on every device

Enter the details manually

Choose "Enter details manually" on your phone, then copy the SM-DP+ address and activation code from your order page. Leave any confirmation-code field blank.

RTE-03CFixes

Troubleshooting

Common issues and how to fix them

4 fixes

Can't scan the QR code

Only one phone availableCamera won't focusQR code on the same screen

A phone can't scan a QR code shown on its own screen
Open your order on a laptop or second phone, then scan it
On iPhone (iOS 17.4+), tap "Install on this iPhone" instead
Or enter the SM-DP+ address and activation code by hand

4 fixes

eSIM won't install

Installation failsError message appearsInvalid activation code

Ensure you have a stable WiFi connection
Check that your device is carrier-unlocked
Copy the code with the copy button — a single typo will fail
Make sure you haven't already installed this eSIM

4 fixes

No signal at destination

No data connectionRoaming not workingNetwork unavailable

Enable your eSIM line in Settings → Cellular
Turn on Data Roaming for the eSIM line
Toggle Airplane Mode on and off
Manually select a network carrier

4 fixes

Didn't receive eSIM email

No email after purchaseCan't find QR codeEmail is empty

Your QR code always lives on your order page — go to Orders
Check your spam or junk folder for the confirmation
Search for emails from our domain
Contact support with your order number

4 fixes

Data running out quickly

Data depleting fastUnexpected usageApps using too much data

Disable automatic app updates over cellular
Turn off background app refresh
Use WiFi whenever available
Check data usage in Settings

View all FAQs

RTE-03DReach us

Response

Getting a faster answer

Include your order number

General

General inquiries

Questions about plans, coverage, etc.

Urgent

Urgent issues

Put "Urgent" and your order number in the subject

Business inquiries

Looking for bulk orders, corporate plans, or partnership opportunities?

business@esim1.example

RTE-03Support

Support

How can we help?

Find answers to common questions or reach out to our support team. We're here to help you stay connected.

Include order number

Email support

Send us a message and our team will get back to you.

support@esim1.example

RTE-03AResources

Guide

Installation guide

Scan, tap, or type — every way to install your eSIM.

Compat

Supported devices

Check if your smartphone is compatible with eSIM.

FAQ

Answers to commonly asked questions about eSIM.

RTE-03BThe code

Your activation code

Your order page shows a QR code, a one-tap install link, and the individual fields your phone asks for. They are all the same eSIM.

An eSIM installs only once — don't delete the plan from your phone until your trip is over.

Read the full installation guide

Needs a second screen

Scan the QR code

Open your order on a laptop or another phone, then scan it with the phone that will use the eSIM. A phone can't scan a code displayed on its own screen.

iOS 17.4 and newer

Tap "Install on this iPhone"

Open your order page on the iPhone itself and tap the install button. iOS passes the code straight to the eSIM installer.

Works on every device

Enter the details manually

Choose "Enter details manually" on your phone, then copy the SM-DP+ address and activation code from your order page. Leave any confirmation-code field blank.

RTE-03CFixes

Troubleshooting

Common issues and how to fix them

4 fixes

Can't scan the QR code

Only one phone availableCamera won't focusQR code on the same screen

A phone can't scan a QR code shown on its own screen
Open your order on a laptop or second phone, then scan it
On iPhone (iOS 17.4+), tap "Install on this iPhone" instead
Or enter the SM-DP+ address and activation code by hand

4 fixes

eSIM won't install

Installation failsError message appearsInvalid activation code

Ensure you have a stable WiFi connection
Check that your device is carrier-unlocked
Copy the code with the copy button — a single typo will fail
Make sure you haven't already installed this eSIM

4 fixes

No signal at destination

No data connectionRoaming not workingNetwork unavailable

Enable your eSIM line in Settings → Cellular
Turn on Data Roaming for the eSIM line
Toggle Airplane Mode on and off
Manually select a network carrier

4 fixes

Didn't receive eSIM email

No email after purchaseCan't find QR codeEmail is empty

Your QR code always lives on your order page — go to Orders
Check your spam or junk folder for the confirmation
Search for emails from our domain
Contact support with your order number

4 fixes

Data running out quickly

Data depleting fastUnexpected usageApps using too much data

Disable automatic app updates over cellular
Turn off background app refresh
Use WiFi whenever available
Check data usage in Settings

View all FAQs

RTE-03DReach us

Response

Getting a faster answer

Include your order number

General

General inquiries

Questions about plans, coverage, etc.

Urgent

Urgent issues

Put "Urgent" and your order number in the subject

Business inquiries

Looking for bulk orders, corporate plans, or partnership opportunities?

business@esim1.example