eSIM Phone Installation Guide by Device Type

Follow these simple instructions to install and set up your eSIM

⚠️ CRITICAL: WiFi Connection Required

Please ensure you are connected to a stable WiFi connection before installing your eSIM. If the connection is not stable, the eSIM may be installed without going through your phone step by step process. In this case, please recheck your phone mobile service/sim manager page for the eSIM.

Important Notes Before Installation:

  • One-time installation: eSIM profiles can only be downloaded once. Do not delete your eSIM after installation - it cannot be restored.
  • Device requirements: Your phone must be carrier-unlocked and eSIM-compatible.
  • Data roaming is mandatory: You MUST enable data roaming for the eSIM to work, even in the destination country.
  • Prevent conflicts: Disable other SIMs/eSIMs when using your travel eSIM.
  • APN may be required: Android devices and Japan eSIMs often need manual APN configuration.
3HK eSIM Special Instructions (Click to expand)

📍 Hong Kong & Taiwan Registration Required

This eSIM WILL NOT WORK in Hong Kong and Taiwan unless registered.

For quick auto-registration:

  1. Open the registration link on your phone while connected with this eSIM
  2. Scan your passport
  3. Do not modify any auto-filled information

Registration Links:
Hong Kong: https://www.three.com.hk/prepaid/account/en/rnr-reg
Taiwan only: https://www.three.com.hk/prepaid/account/en/tw-rnr

*Registration is not required outside Hong Kong and Taiwan.

  • Fixed APN: mobile.three.com.hk
  • One-time download: This eSIM cannot be re-downloaded if deleted
Japan eSIM (IIJ-Docomo) Special Instructions (Click to expand)
  • APN Required: Japan IIJ-Docomo eSIMs require manual APN setup
  • APN: Check your email for the specific APN details
  • Network selection: May need to manually select Docomo network
  • iPhone
  • Samsung
  • Pixel
  • OPPO
  • HUAWEI
  • Xiaomi
  • Motorola

iPhone

Learn more about iPhone eSIM

Important: Your phone must be carrier-unlocked to use eSIM. Compatible with(excluding iPhone from China):

  • iPhone XR
  • iPhone XS
  • iPhone XS Max
  • iPhone 11
  • iPhone 11 Pro
  • iPhone 12
  • iPhone 12 Mini
  • iPhone 12 Pro
  • iPhone 12 Pro Max
  • iPhone 13
  • iPhone 13 Mini
  • iPhone 13 Pro
  • iPhone 13 Pro Max
  • iPhone SE 3 (2022)
  • iPhone 14/14 Plus/Pro/Pro Max
  • iPhone 15/15 Plus/Pro/Pro Max
  • iPhone 16/16 Plus/Pro/Pro Max

How to install an eSIM on iPhone

1

Before You Start

⚠️ IMPORTANT: WiFi Connection Required
Please ensure you are connected to a stable WiFi connection before installing your eSIM. If the connection is not stable, the eSIM may be installed without going through your phone step by step process. In this case, please recheck your phone mobile service/sim manager page for the eSIM.

Additionally, ensure your iPhone is:

  • Carrier-unlocked
  • Running iOS 12.1 or later
  • Connected to a stable WiFi network
Navigation Path:
Preparation
eSIM Setup
2

Installation Method 1: Quick Install (iOS 17.4+)

If you have iOS 17.4 or later, you can use the quick install method:

  1. Click the "Install eSIM" button in your email on your iPhone
  2. A popup will appear asking to add the cellular plan
  3. Tap "Add Cellular Plan"
  4. Follow the on-screen instructions

Note: This method only works when you open the email on the iPhone where you want to install the eSIM.

Navigation Path:
Email→Install eSIM Button→Add Cellular Plan
Step 2: Installation Method 1: Quick Install (iOS 17.4+)
3

Installation Method 2: Scan QR Code

Use this method for any iOS version:

  1. Open your iPhone Camera app
  2. Point it at the QR code in your email
  3. A notification will appear at the top: "Cellular Plan Detected"
  4. Tap the notification
  5. Select "Add Cellular Plan"

Alternative: Go to Settings > Cellular > Add Cellular Plan, then scan the QR code.

Navigation Path:
Camera App→Scan QR Code→Add Cellular Plan
Step 3: Installation Method 2: Scan QR Code
4

Label Your eSIM

After adding the plan, you'll be prompted to label your eSIM:

  1. Choose a custom label or select from the list
  2. We recommend using: [Country] eSIM (e.g., "Japan eSIM")
  3. This helps identify the eSIM if you have multiple plans

Important: Remember which device you installed each eSIM on. Each profile can only be installed on one device.

Navigation Path:
Add Cellular Plan→Label→Continue
Step 4: Label Your eSIM
5

Configure Cellular Settings

Critical Step: You must enable Data Roaming for the eSIM to work:

  1. Go to Settings > Cellular
  2. Tap on your eSIM (shown with the label you created)
  3. Toggle ON "Data Roaming" - This is essential!
  4. Toggle ON "Turn On This Line" if not already enabled
To prevent conflicts: We recommend turning OFF other SIMs/eSIMs when using this eSIM. You can do this in Settings > Cellular by toggling off other lines.
Navigation Path:
Settings→Cellular→[Your eSIM]→Data Roaming→ON
Step 5: Configure Cellular Settings

🔧 Troubleshooting Tips for iPhone

  • No data connection?
    • Verify the APN is set correctly (most important for Android and Japan eSIMs)
    • Check that data roaming is enabled
    • Ensure your eSIM is selected as the active data SIM
  • Can't find network? Try manually selecting a network operator instead of automatic selection
  • Multiple SIMs causing issues? Disable other SIMs/eSIMs temporarily
  • Settings not sticking? Restart your device after making APN changes
  • eSIM not visible? Check Mobile Services/SIM manager - it may have installed without notifications
  • iPhone specific: If quick install doesn't work, try the QR code method or manual entry

Still need help? Contact our support team at [email protected] with your order number and specific issue.

Samsung

Learn more about Samsung eSIM

How to install an eSIM on Samsung

1

Scan the QR Code

Scan the eSIM QR code from your email. Tap on "Add plan to phone" when prompted.
Navigation Path:
Camera→Scan QR Code→Add plan to phone
Step 1: Scan the QR Code
2

Confirm and Add Mobile Plan

Click "Confirm", then go to "SIM card manager". Tap on "Add mobile plan".
Navigation Path:
Confirm→SIM card manager→Add mobile plan
Step 2: Confirm and Add Mobile Plan
3

Enable Data Roaming

Critical Step: Data roaming MUST be enabled for your eSIM to work:

  1. Go to Settings > Connections > Mobile Networks
  2. Select your eSIM profile
  3. Toggle ON "Data roaming"
  4. Make sure "Mobile data" is also ON
Important: To prevent conflicts, we recommend disabling other SIMs/eSIMs when using this one. Your eSIM will activate once it connects to a network in your destination country.
Navigation Path:
Settings→Connections→Mobile Networks→Data roaming→ON
Data Roaming
4

Check APN Settings (If Needed)

Check if APN is already configured:

  1. Go to Settings > Connections > Mobile Networks
  2. Ensure your eSIM is selected as the mobile data SIM
  3. Tap "Access Point Names"
  4. Check if an APN is already listed

If no APN is listed:

  1. Tap "+" or "Add"
  2. Enter only the APN field with the APN from your email
  3. Save and select the new APN
  4. Restart your device
Navigation Path:
Settings→Connections→Mobile Networks→Access Point Names→Add
eSIM Setup

🔧 Troubleshooting Tips for Samsung

  • No data connection?
    • Verify the APN is set correctly (most important for Android and Japan eSIMs)
    • Check that data roaming is enabled
    • Ensure your eSIM is selected as the active data SIM
  • Can't find network? Try manually selecting a network operator instead of automatic selection
  • Multiple SIMs causing issues? Disable other SIMs/eSIMs temporarily
  • Settings not sticking? Restart your device after making APN changes
  • eSIM not visible? Check Mobile Services/SIM manager - it may have installed without notifications

Still need help? Contact our support team at [email protected] with your order number and specific issue.

Pixel

Learn more about Pixel eSIM

How to install an eSIM on Pixel

1

Access Network Settings

Navigate to the network settings on your Pixel:
  1. Go to Settings
  2. Tap "Network & Internet"
  3. Tap "Mobile network" or "+"
  4. Tap "Add more"
Navigation Path:
Settings→Network & Internet→Mobile network→Add more
Step 1: Access Network Settings
2

Download and Scan QR Code

Follow the on-screen instructions to download your eSIM:
  1. Tap "Download your eSIM"
  2. Tap "Next"
  3. Scan the QR code from your order email
Navigation Path:
Download your eSIM→Next→Scan QR code
Step 2: Download and Scan QR Code
3

Enable Mobile Data and Roaming

Critical Step: Both mobile data and roaming MUST be enabled:

  1. Turn ON "Mobile data"
  2. Turn ON "Roaming"
  3. Ensure your eSIM is selected as the active mobile data SIM
Important: Your eSIM won't work without roaming enabled, even if you're in the correct country. We recommend turning OFF other SIMs/eSIMs to prevent conflicts while using this eSIM.
Navigation Path:
Mobile data→Roaming→ON
Data Roaming
4

Configure APN Settings

Check if your eSIM already has APN configured:

  1. Go to Settings > Network & Internet > Mobile network
  2. Make sure your eSIM is selected
  3. Tap "Advanced" > "Access Point Names"
  4. Check if an APN is already active

If no APN appears:

  1. Tap "+" to add new APN
  2. Enter only the APN field with the APN from your email
  3. Save and select the new APN
  4. Restart your device
Navigation Path:
Settings→Network & Internet→Mobile network→Advanced→Access Point Names→+
eSIM Setup

🔧 Troubleshooting Tips for Pixel

  • No data connection?
    • Verify the APN is set correctly (most important for Android and Japan eSIMs)
    • Check that data roaming is enabled
    • Ensure your eSIM is selected as the active data SIM
  • Can't find network? Try manually selecting a network operator instead of automatic selection
  • Multiple SIMs causing issues? Disable other SIMs/eSIMs temporarily
  • Settings not sticking? Restart your device after making APN changes
  • eSIM not visible? Check Mobile Services/SIM manager - it may have installed without notifications

Still need help? Contact our support team at [email protected] with your order number and specific issue.

OPPO

Learn more about OPPO eSIM

How to install an eSIM on OPPO

1

Access SIM Settings

Navigate to your SIM card settings: Go to Settings > SIM card and Mobile/Cellular Data
Navigation Path:
Settings→SIM card and Mobile/Cellular Data
Step 1: Access SIM Settings
2

Select eSIM Option

From the SIM card menu:
  1. Select "eSIM"
  2. Accept the terms and continue
  3. Select "Add eSIM"
Navigation Path:
eSIM→Accept terms→Add eSIM
Step 2: Select eSIM Option
3

Scan QR Code

Follow the on-screen instructions:
  1. When prompted, scan the QR code from your order email
  2. Wait for the installation to complete
Navigation Path:
Scan QR code→Wait for installation
Scan QR Code
4

Enable Data Roaming and Configure Settings

Enable your eSIM for data connectivity:

  1. Enable your eSIM profile
  2. Turn ON "Data roaming" for your eSIM profile
  3. Ensure "Mobile data" is also enabled
  4. Disable other SIMs/eSIMs to prevent conflicts
Important: Go through setup step by step. Manually set the correct eSIM for mobile data or disable all other eSIMs to prevent conflicts.
Navigation Path:
eSIM profile→Data Roaming→ON
Data Roaming
5

Configure APN Settings

Check if APN is already configured:

  1. Go to Settings > SIM Card & Mobile Data
  2. Select your eSIM
  3. Tap "Access Point Names" or "APN"
  4. Check if an APN is already listed

If no APN exists:

  1. Tap "+" or "Add"
  2. Enter only the APN field with the APN from your email
  3. Save and select as active
  4. Restart device
Navigation Path:
Settings→SIM Card & Mobile Data→eSIM→Access Point Names→Add
eSIM Setup

🔧 Troubleshooting Tips for OPPO

  • No data connection?
    • Verify the APN is set correctly (most important for Android and Japan eSIMs)
    • Check that data roaming is enabled
    • Ensure your eSIM is selected as the active data SIM
  • Can't find network? Try manually selecting a network operator instead of automatic selection
  • Multiple SIMs causing issues? Disable other SIMs/eSIMs temporarily
  • Settings not sticking? Restart your device after making APN changes
  • eSIM not visible? Check Mobile Services/SIM manager - it may have installed without notifications

Still need help? Contact our support team at [email protected] with your order number and specific issue.

HUAWEI

Learn more about HUAWEI eSIM

How to install an eSIM on HUAWEI

1

Access SIM Management

Navigate to your SIM management settings: Go to Settings > Mobile network > SIM management

Note: Even if your device only supports one physical SIM card, SIM 1 and SIM 2 options are displayed. The eSIM card is installed in the SIM 2 slot by default.

Navigation Path:
Settings→Mobile network→SIM management
Step 1: Access SIM Management
2

Add eSIM

From the SIM management screen:
  1. Go to SIM 2
  2. Select "Add eSIM"
  3. Scan the QR code received from your order email
Navigation Path:
SIM 2→Add eSIM→Scan QR code
Step 2: Add eSIM
3

Enable Data Roaming

After installing your eSIM, make sure to:
  1. Enable your eSIM profile
  2. Enable data roaming for your eSIM (essential for connectivity)
  3. Disable other SIMs/eSIMs to prevent conflicts

Important: Your eSIM won't work without roaming enabled, even if you're in the correct country.

Navigation Path:
eSIM profile→Data Roaming→ON
Data Roaming
4

Check APN Settings (If Needed)

Check if your eSIM already has APN configured:

  1. Go to Settings > Mobile network > SIM management
  2. Select your eSIM (SIM 2)
  3. Tap "Access Point Names" or "Mobile data"
  4. Check if an APN is already active

If no APN exists:

  1. Tap "+" or "New APN"
  2. Enter only the APN field with the APN from your email
  3. Save and select the new APN
  4. Restart device
Navigation Path:
Settings→Mobile network→SIM management→eSIM→Access Point Names
eSIM Setup

🔧 Troubleshooting Tips for HUAWEI

  • No data connection?
    • Verify the APN is set correctly (most important for Android and Japan eSIMs)
    • Check that data roaming is enabled
    • Ensure your eSIM is selected as the active data SIM
  • Can't find network? Try manually selecting a network operator instead of automatic selection
  • Multiple SIMs causing issues? Disable other SIMs/eSIMs temporarily
  • Settings not sticking? Restart your device after making APN changes
  • eSIM not visible? Check Mobile Services/SIM manager - it may have installed without notifications

Still need help? Contact our support team at [email protected] with your order number and specific issue.

Xiaomi

Learn more about Xiaomi eSIM

How to install an eSIM on Xiaomi

1

Access SIM Settings

Navigate to your SIM settings: Go to Settings > SIM cards & mobile networks
Navigation Path:
Settings→SIM cards & mobile networks
Step 1: Access SIM Settings
2

Manage eSIM

From the SIM & mobile networks menu:
  1. Scroll down until you see the option "Manage eSIM" and click on it
  2. Tap "Add mobile plan"
Navigation Path:
Manage eSIM→Add mobile plan
Step 2: Manage eSIM
3

Scan QR Code

Follow the on-screen instructions:
  1. When prompted, scan the QR code from your order email
  2. Wait for the installation to complete
Navigation Path:
Scan QR code→Wait for installation
Scan QR Code
4

Enable Data Roaming and Configure Settings

Configure your eSIM for data connectivity:

  1. Enable your eSIM profile
  2. Enable "Data roaming" for your eSIM (essential for connectivity)
  3. Make sure "Mobile data" is enabled
  4. Set your eSIM as the preferred data SIM
  5. Disable other SIMs/eSIMs to prevent conflicts
Important: Go through setup step by step. Manually set the correct eSIM for mobile data or disable all other eSIMs to prevent conflicts.
Navigation Path:
eSIM profile→Data Roaming→ON
Data Roaming
5

Check APN Settings (If Needed)

Check if APN is already configured:

  1. Go to Settings > SIM cards & mobile networks
  2. Select your eSIM
  3. Tap "Access Point Names"
  4. Check if an APN is already listed and active

If no APN exists:

  1. Tap "+" or "Add"
  2. Enter only the APN field with the APN from your email
  3. Save and make it active
  4. Restart device
Navigation Path:
Settings→SIM cards & mobile networks→eSIM→Access Point Names→Add
eSIM Setup

🔧 Troubleshooting Tips for Xiaomi

  • No data connection?
    • Verify the APN is set correctly (most important for Android and Japan eSIMs)
    • Check that data roaming is enabled
    • Ensure your eSIM is selected as the active data SIM
  • Can't find network? Try manually selecting a network operator instead of automatic selection
  • Multiple SIMs causing issues? Disable other SIMs/eSIMs temporarily
  • Settings not sticking? Restart your device after making APN changes
  • eSIM not visible? Check Mobile Services/SIM manager - it may have installed without notifications

Still need help? Contact our support team at [email protected] with your order number and specific issue.

Motorola

Learn more about Motorola eSIM

How to install an eSIM on Motorola

1

Access Network Settings

Navigate to your network settings:
  1. Go into Settings
  2. Click on "Network & Internet"
Navigation Path:
Settings→Network & Internet
Step 1: Access Network Settings
2

Access Mobile Network and Carrier Settings

Navigate through the network settings:
  1. Click on "Mobile Network"
  2. Click the drop-down menu named "Advanced"
  3. Click on "Carrier"
Navigation Path:
Mobile Network→Advanced→Carrier
Step 2: Access Mobile Network and Carrier Settings
3

Add Carrier and Scan QR Code

Continue with the setup:
  1. Tap "Add carrier" and go next
  2. Scan the QR code from your order email
  3. Wait for the installation to complete
Navigation Path:
Add carrier→Scan QR code
Step 3: Add Carrier and Scan QR Code
4

Enable Data Roaming and Configure Settings

Activate your eSIM for data use:

  1. Enable your eSIM profile
  2. Enable "Data roaming" for your eSIM (required for connectivity)
  3. Ensure "Mobile data" is turned on
  4. Set your eSIM as the data SIM if you have multiple SIMs
  5. Disable other SIMs/eSIMs to prevent conflicts
Important: Go through setup step by step. Manually set the correct eSIM for mobile data or disable all other eSIMs to prevent conflicts.
Navigation Path:
eSIM profile→Data Roaming→ON
Data Roaming
5

Check APN Settings (If Needed)

Check if your eSIM already has APN configured:

  1. Go to Settings > Network & Internet > Mobile network
  2. Make sure your eSIM is selected
  3. Tap "Advanced" > "Access Point Names"
  4. Check if an APN is already active

If no APN exists:

  1. Tap "+" or "Add"
  2. Enter only the APN field with the APN from your email
  3. Save and select the new APN
  4. Restart device
Navigation Path:
Settings→Network & Internet→Mobile network→Advanced→Access Point Names→Add
eSIM Setup

🔧 Troubleshooting Tips for Motorola

  • No data connection?
    • Verify the APN is set correctly (most important for Android and Japan eSIMs)
    • Check that data roaming is enabled
    • Ensure your eSIM is selected as the active data SIM
  • Can't find network? Try manually selecting a network operator instead of automatic selection
  • Multiple SIMs causing issues? Disable other SIMs/eSIMs temporarily
  • Settings not sticking? Restart your device after making APN changes
  • eSIM not visible? Check Mobile Services/SIM manager - it may have installed without notifications

Still need help? Contact our support team at [email protected] with your order number and specific issue.

📋 Quick Setup Checklist

Follow these steps regardless of your device type:

  1. ✓ Connect to WiFi before installation
  2. ✓ Go to device settings under Mobile Services or SIM manager
  3. ✓ Find option to add eSIM, then scan QR code or enter details manually
  4. ✓ Follow onscreen instructions and label your eSIM for easy identification
  5. ✓ Enable your eSIM profile when you want to use it
  6. ✓ Enable roaming for the eSIM profile (mandatory!)
  7. ✓ Configure APN if required (especially for Android and Japan eSIMs)
  8. ✓ Disable other SIMs to prevent conflicts
  9. ✓ Restart device after setup for best results

Need Additional Help?

📧 Email Support

Contact [email protected]

Include your order number and device type

📊 Check eSIM Usage

Monitor your data usage

Use your ICCID from the email

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