Samsung Galaxy Blog

Backup ESIM Samsung Guide

The Complete Guide to Backing Up and Transferring eSIM on Samsung Phones

If you've ever wondered whether you can backup your eSIM on a Samsung phone, you're not alone. Many of us face this question when upgrading to a new device or preparing for international travel. The truth is, eSIM technology works differently than traditional SIM cards, and understanding these differences is crucial for maintaining uninterrupted mobile service.

We'll walk you through everything you need to know about eSIM backup and transfer on Samsung devices, including the limitations, available methods, and solutions to common problems.

Understanding eSIM Backup: What's Possible and What's Not

The Reality of eSIM Backup

Unlike photos, contacts, or documents, eSIM profiles cannot be backed up in the traditional sense. You cannot export your eSIM to Google Drive, Samsung Cloud, or any other storage service. This is by design—eSIM technology was built with enhanced security features that prevent cloning or unauthorized duplication.

When we talk about "backing up" an eSIM, what we're really discussing is transferring or reactivating your mobile service on a new device. Here's what you need to understand:

  • QR codes are typically single-use: Once activated, most QR codes become invalid
  • Carrier policies vary: Some providers allow multiple transfers, while others require new activation each time
  • Device compatibility matters: Both your old and new phones must support eSIM technology
  • Transfer limits exist: Most carriers allow eSIM transfers up to 5 times before requiring a new profile

Why Traditional Backup Doesn't Work

The GSMA security standards that govern eSIM technology prevent users from exporting eSIM profiles to files. This security measure protects against fraud and unauthorized access to your mobile service. Instead of backup, we focus on transfer methods and reactivation processes.

"Can I Backup My eSIMs or Can I Migrate Them to a New Phone?"

This is one of the most common questions we receive from Samsung users. The short answer is: you can migrate, but not backup in the traditional sense.

When you're upgrading from one Samsung phone to another, you have several options to maintain your mobile service without interruption. The method you choose depends on your device model, carrier support, and Android version.

Samsung eSIM Transfer Methods: Step-by-Step Guide

Method 1: Device-to-Device Transfer (Samsung SIM Manager)

If you're moving between Samsung devices running One UI 5.1 or later, you can use the built-in transfer feature:

On Your New Samsung Device:

  1. Go to Settings > Connections > SIM Manager
  2. Tap Add eSIM
  3. Select Transfer SIM from another device or Transfer eSIM
  4. Follow the on-screen prompts

On Your Old Samsung Device:

  1. When prompted, tap Transfer to approve
  2. Keep both devices unlocked, on Wi-Fi, and close together
  3. Wait for the transfer to complete
  4. Tap Done when finished

Important Notes:

  • Smart Switch does not transfer eSIM profiles—use SIM Manager only
  • Both devices must have screen passcodes enabled
  • Keep devices charged and connected to Wi-Fi during transfer
  • Your carrier must support this transfer method

Method 2: Transfer During Initial Setup (QR Code)

When setting up a new Samsung phone, you can transfer your eSIM during the initial configuration:

  1. On the Easy setup with another device screen, tap Galaxy or Android device
  2. A QR code appears on your new device
  3. On your old device, tap Set up and open the QR scanner
  4. Scan the QR code from your new device
  5. Allow the eSIM to transfer, then tap Done

Method 3: Transfer Using Verification Code

If a QR code doesn't appear, you can use a verification code instead:

  1. On the Connect to a mobile network screen, tap Transfer SIM from another device
  2. Review the info screens until a verification code displays
  3. On your old device, tap Transfer and enter the verification code
  4. On your new device, tap the carrier name, then tap Transfer
  5. On your old device, tap Confirm
  6. Wait for completion and tap Done

Method 4: Reactivation via QR Code or SM-DP+ (When Transfer Isn't Available)

If device-to-device transfer isn't supported, you'll need to reactivate your eSIM:

Using QR Code:

  1. Contact your carrier to request a new QR code
  2. On your new Samsung, go to Settings > Connections > SIM Manager > Add eSIM
  3. Select Scan QR code from service provider
  4. Scan the code and follow activation prompts

Using Manual Activation (SM-DP+):

  1. Obtain your SM-DP+ address and activation code from your carrier
  2. Go to Settings > Connections > SIM Manager > Add eSIM
  3. Select Enter activation code or Enter details manually
  4. Input the SM-DP+ address and activation code
  5. Complete the setup and set as your primary service

Critical Considerations Before Transferring Your eSIM

Check Device Compatibility

Before attempting any transfer, verify that both devices support eSIM:

  • Most Samsung Galaxy S20 and newer models support eSIM
  • Galaxy Z Flip and Z Fold series (from Flip3/Fold3 onwards) support eSIM
  • Check Settings > Connections > SIM Manager to confirm eSIM capability

Confirm Carrier Support

Not all carriers support eSIM transfers. Contact your provider to:

  • Verify transfer eligibility
  • Understand any fees associated with reactivation
  • Learn about transfer limits (typically 5 transfers maximum)
  • Request new QR codes if needed

Backup Your Data First

While eSIM transfer doesn't erase your data, it's wise to backup important information:

  • Use Google One for automatic cloud storage
  • Save screenshots of your current carrier settings
  • Note down APN settings and carrier details
  • Export contacts to Samsung or Google account (not eSIM)

Ensure Stable Internet Connection

Both devices need reliable Wi-Fi during transfer:

  • Connect to stable Wi-Fi networks
  • Avoid areas with poor coverage
  • Keep mobile data turned off during transfer to prevent interruptions

Common Problems and Solutions

Problem: "No Transfer Option Available"

Why This Happens:

  • Your carrier doesn't support Android's transfer feature
  • Device software is outdated
  • Transfer feature isn't available for your specific carrier-device combination

Solutions:

  • Update both phones to the latest software version
  • Log into the same Samsung account on both devices
  • Use SM-DP+ reactivation method instead
  • Contact your carrier for alternative transfer options

Problem: "Activation Fails or Stalls"

Why This Happens:

  • Unstable internet connection
  • Incorrect SM-DP+ address or activation code
  • Carrier backend provisioning delays

Solutions:

  • Use Wi-Fi only; turn off mobile data during download
  • Toggle airplane mode or reboot your device
  • Double-check SM-DP+ address and activation code (watch for 0/O and 1/I mix-ups)
  • Wait 10-15 minutes and try again
  • Clear Carrier Services app cache (for Pixel/stock Android)

Problem: "Carrier Says eSIM Is Already in Use"

Why This Happens:

  • Old eSIM profile wasn't properly deactivated
  • Carrier system hasn't updated yet
  • Multiple activation attempts created conflicts

Solutions:

  • Remove/deactivate the old profile from your previous device
  • Contact carrier support to reset/reissue the activation
  • Wait for carrier system to update (may take up to 24 hours)

Problem: "Factory Reset Deleted My eSIM"

Why This Happens:

  • You didn't select the "keep eSIM" option during reset
  • Your device doesn't offer this option
  • Carrier policy requires reactivation after reset

Solutions:

  • Before future resets, look for "keep eSIMs" option during factory reset
  • Contact your carrier to reissue activation details
  • Save your QR code or activation details before resetting
  • Note: On One UI 6.1 or later, eSIM contact saving function is discontinued

Factory Reset and eSIM: What You Must Know

Can You Reset Without Losing eSIM?

Yes, but you need to take precautions:

Before Factory Reset:

  1. Check if your carrier offers eSIM backup through their app
  2. Save your activation details (QR code, SM-DP+ address, activation code)
  3. Ensure you have stable internet for reactivation
  4. Contact your carrier to confirm their reset policy

During Factory Reset:

  1. Go to Settings > General Management > Reset > Factory Data Reset
  2. Look for the option to keep eSIM settings (not available on all devices)
  3. If available, select this option before proceeding
  4. If not available, be prepared to reactivate after reset

After Factory Reset:

  1. Re-enable your eSIM through SIM Manager
  2. Scan QR code or enter activation details if required
  3. Test calls, messages, and mobile data
  4. Contact carrier if reactivation fails

Travel eSIM: Special Considerations

Can You Transfer Travel eSIMs?

Most travel eSIMs (including those from international providers) are one-time use only. Once activated on a device, they cannot be transferred to another phone. If you switch devices while traveling, you'll need to:

  • Purchase a new travel eSIM for your destination
  • Contact your travel eSIM provider to check their specific policy
  • Some providers offer reissuance for a fee or under certain conditions

Best Practices for Travel eSIM Management

  • Activate your travel eSIM just before departure
  • Keep your home eSIM active for OTPs and emergency calls
  • Save your travel eSIM provider's support contact information
  • Understand the activation window (some expire if not used within certain days)
  • Consider dual eSIM setup: one for home, one for travel data

Dual SIM Management on Samsung

Understanding Dual SIM Capabilities

Samsung devices support Dual SIM Dual Standby (DSDS), but with important limitations:

  • One data connection at a time: Only one SIM can carry mobile data concurrently
  • Multiple stored profiles: You can store 5-8 eSIM profiles, but only 1-2 active simultaneously
  • 5G limitations: Some models drop to 4G when both SIMs are active
  • Roaming control: Turn off data roaming on home SIM to avoid charges

Managing Multiple eSIM Profiles

  1. Name your profiles clearly: "Home UK," "Spain Data," "Work Line"
  2. Set default SIMs: Choose which line handles calls, SMS, and data
  3. Toggle as needed: Disable unused SIMs to save battery and improve performance
  4. Test before traveling: Verify both lines work in your destination

Frequently Asked Questions (FAQs)

Can I Export My eSIM Profile to a File and Import It on a New Phone?

No. For security reasons, Android does not allow exporting eSIM profiles to files. You must use device-to-device transfer (if supported by your carrier) or reactivate via QR code/SM-DP+ details.

Do I Need My Old Phone Present to Transfer eSIM?

Only for device-to-device transfers. If your old phone is lost, broken, or unavailable, contact your carrier to reissue activation details and use the SM-DP+ reactivation method on your new device.

How Many Times Can I Transfer My eSIM?

Most carriers allow up to 5 transfers before requiring a new eSIM profile. However, this varies by carrier, so check with your provider for their specific policy.

Will Dual SIM Affect My 5G Speed or Battery Life?

Possibly. Some Samsung phones limit 5G speeds when two SIMs are active, dropping to 4G instead. Dual standby also uses slightly more battery power. If you need maximum speeds, temporarily disable the unused SIM.

Will WhatsApp, Banking Apps, and OTPs Still Work After Transfer?

Yes, with precautions. WhatsApp links to your account, not the SIM, but ensure you keep your phone number and have backups enabled. For banking OTPs, keep your home line active for SMS. Confirm roaming settings to avoid unexpected charges.

Does eSIM Reactivation Cost Money?

It depends on your carrier. Some providers charge a small fee (typically $10-$25) to reissue or move an eSIM. Others offer free reactivation. Check your provider's terms before starting the transfer process.

What Happens If I Delete My eSIM by Mistake?

Contact your carrier immediately. Most carriers cannot reinstall the same eSIM once deleted. You'll need to request a new activation QR code or SM-DP+ details. Some carriers allow one reinstallation if the eSIM was deleted before expiration.

Can I Transfer eSIM Between Different Phone Brands (Samsung to Pixel)?

Yes, but not through device-to-device transfer. You'll need to use the QR code or SM-DP+ reactivation method. Contact your carrier for new activation details, then set up the eSIM on your new device following their instructions.

Is There a Way to Backup eSIM Contacts?

No, not on One UI 6.1 or later. Samsung discontinued the eSIM contact saving function. Move your contacts to your phone storage, Samsung account, or Google account before any reset or transfer.

What If My Carrier Doesn't Support eSIM Transfer?

Use the reactivation method. Contact your carrier to request new QR codes or SM-DP+ activation details. This is the standard method when device-to-device transfer isn't available.

Final Recommendations for eSIM Management

Before Upgrading Your Samsung Phone

  1. Contact your carrier to confirm transfer eligibility and any fees
  2. Save all activation details (QR codes, SM-DP+ addresses, activation codes)
  3. Backup your contacts to Samsung or Google account (not eSIM)
  4. Ensure both devices are updated to the latest software version
  5. Charge both devices to at least 50% before starting transfer

During the Transfer Process

  1. Use stable Wi-Fi on both devices
  2. Keep devices close together and unlocked
  3. Follow on-screen prompts carefully
  4. Don't interrupt the process once started
  5. Test all services (calls, SMS, data) before removing old eSIM

After Successful Transfer

  1. Verify all services work on your new device
  2. Remove eSIM from old device if required by your carrier
  3. Update emergency contacts with your new device information
  4. Keep activation details in a secure location for future reference
  5. Contact carrier support if you experience any issues

Conclusion

While you cannot backup your eSIM in the traditional sense, Samsung provides multiple reliable methods to transfer your mobile service to a new device. By understanding the limitations, preparing properly, and following the correct procedures, you can ensure uninterrupted service when upgrading your phone or traveling internationally.

Remember that carrier policies vary significantly, so always confirm specific requirements with your provider before starting any transfer process. With proper preparation and the right knowledge, managing your eSIM on Samsung devices becomes a straightforward process that keeps you connected wherever you go.

Need more help? Contact your carrier's support team or visit your nearest Samsung service center for personalized assistance with your eSIM transfer.