Convert a Physical SIM to an eSIM: Step-by-Step Guide

Quick answer: if your carrier supports it, you can convert your own number from a physical SIM to an eSIM in a few minutes on the phone itself: on iPhone go to Settings > Cellular, tap the line and choose Convert to eSIM; on Samsung go to Settings > Connections > SIM manager. If the option is missing, your carrier has to send you an eSIM instead. A travel eSIM is different: it is an extra data line for your trip, and you keep your own number on the physical SIM.

Should You Convert Your Physical SIM to an eSIM?

An eSIM functions just like a physical SIM card but how exactly does it work, and why might it be the better choice? Here are the main advantages an eSIM offers compared to a traditional plastic SIM:

• Easy setup

Activating an eSIM takes just a few taps on your phone. No need to purchase a physical card or handle tiny trays that risk damage during installation.

• Multiple profiles on one device

Many eSIM-compatible devices support dual SIM functionality. You can store several eSIM profiles and switch between them whenever needed.

• Convenient for international travel

Instead of hunting for a local SIM card and navigating language barriers to set it up, you can simply download an app, choose a local plan, and get connected instantly without leaving your hotel room.

In addition, using an eSIM helps reduce plastic waste and frees up space in device design by eliminating the need for a physical SIM slot though these are secondary benefits compared to the core advantages listed above.

How to Find Out if You Can Convert Your Existing SIM to an eSIM

Wondering if you can switch your current SIM card to an eSIM? The first step is to confirm whether your phone supports eSIM technology.

There are a few simple ways to check:

• Check your phone settings: Some devices show eSIM options directly in the mobile network or cellular settings.
• Contact your carrier: Your mobile provider can confirm if your number and device are eligible for eSIM conversion.
• Look up your phone model: Find your phone model in a supported devices list to verify eSIM compatibility.

If your device supports eSIM and your carrier allows conversion, switching is usually quick and straightforward. It saves time and removes the need for a physical SIM altogether.

How to Convert a Physical SIM to an eSIM

Converting from a physical SIM card to an eSIM is a quick and easy process that typically takes only a few minutes. While the general procedure is similar across devices, the specific steps may vary slightly depending on the model of your phone and the operating system it runs.

Only your own carrier can move your phone number to an eSIM. Travel eSIM providers like BitJoy do something else: they give you a separate data-only line for your trip, which you can add next to your existing SIM without converting anything.

Convert a SIM to an eSIM on iPhone

Apple's steps (iPhone XS, XR or later, iOS 16 or later, and a carrier that supports eSIM Quick Transfer):

1. Open Settings and tap Cellular (or Mobile Service).
2. Tap the line that uses your physical SIM.
3. Tap Convert to eSIM, confirm, and follow the onscreen steps.
4. Wait for the eSIM to activate. Your physical SIM stops working when it does.
5. Remove the physical SIM and restart your iPhone.

If you don't see Convert to eSIM, your carrier doesn't support converting on the phone. Contact them for an eSIM by eSIM Carrier Activation or a QR code instead.

In the US, Apple lists AT&T, T-Mobile, Verizon, Cricket, Spectrum, Xfinity Mobile, Consumer Cellular, C Spire, Cellcom Wisconsin, Nex-Tech Wireless and Red Pocket among the carriers that support this.

Convert a SIM to an eSIM on Samsung

On Galaxy phones with One UI 5.1 or later:

1. Open Settings and tap Connections.
2. Tap SIM manager and select your physical SIM.
3. Tap Convert to eSIM, confirm in the pop-up, then tap Add.

Your number moves from the physical SIM to the phone's eSIM. Samsung lists AT&T, FirstNet, T-Mobile and Verizon as supported in the US, with other carriers in other countries; if the option is missing, ask your carrier for an eSIM QR code.

Convert a SIM to an eSIM on Google Pixel

Google doesn't publish an official Convert to eSIM guide for Pixel, and the option only appears with some carriers. Check here first:

1. Open Settings > Network & internet > SIMs.
2. Tap your physical SIM and look for Convert to eSIM.
3. If it isn't there, use your carrier's app or ask the carrier for an eSIM QR code, then add it under SIMs > Add SIM > Download a SIM instead.

Do I Have to Go In-Store to Make This Change?

Usually not, if your carrier supports eSIM. In the US, AT&T, T-Mobile and Verizon let you convert on the phone itself or through their apps, and many prepaid brands do the same. Outside the US, some carriers still ask you to visit a store with ID, especially where SIMs must be registered in person.

Check your carrier's website or app before you start. A travel eSIM for a trip abroad is a separate purchase and never needs a store visit.

Will Converting a SIM to an eSIM Hurt Your Wallet?

In most cases, converting a physical SIM to an eSIM is free. An eSIM isn’t just easy to activate - it’s often the smarter choice for your wallet, especially when you're on the move.

Is There a Fee for Switching From a Regular SIM to an eSIM?

A common concern when switching to an eSIM is whether there’s a cost involved. In most cases, mobile carriers do not charge a fee for converting from a physical SIM to an eSIM. Some carriers do charge a small SIM or eSIM fee, so check before you start.

Before starting the process, contact your carrier to confirm whether a fee applies. Also, ask if the cost will appear on your next bill or needs to be paid upfront.

Can You Use Both an eSIM and a Regular SIM at the Same Time?

Yes, you can. Most smartphones that support eSIM also come with dual SIM functionality, which means you can use both a physical SIM and an eSIM at once. This allows for flexibility - like keeping your primary number active while using a travel eSIM for data.

Dual SIM is especially useful if you want to:

• Use one line for calls and texts (physical SIM)
• Use the other for mobile data (eSIM)
• Switch between personal and work numbers easily
• Stay connected abroad without paying high roaming fees

Some newer smartphones like the latest iPhone models - no longer have a physical SIM slot and support eSIM only. While this isn’t yet the norm, it’s becoming more common in newer devices.

If you're traveling internationally, using an eSIM from providers like BitJoy is a convenient and cost-effective way to stay connected. You can activate it instantly and avoid roaming charges.

Are There Any Disadvantages to Switching to an eSIM?

Converting can fail or be unavailable when:

• your carrier doesn't support eSIM, or only supports it for some plans (business or prepaid lines are common exceptions);
• your phone is carrier-locked to a different carrier or doesn't support eSIM;
• you are abroad with no Wi-Fi or mobile data, since the eSIM needs an internet connection to download;
• your account needs extra verification, in which case the carrier will ask you to contact them.

While eSIMs offer great benefits, they do come with a few limitations to keep in mind.

• Device compatibility: Many newer smartphones support eSIM, but older models typically do not. Always check your phone’s settings or the manufacturer's official list to confirm compatibility.
• Carrier support: Not all mobile carriers offer eSIM services. Even if they do, some may charge a small fee for activation or switching.
• Limited accessibility: In some regions, eSIM adoption is still growing, and the availability may vary depending on your location and provider.

Despite these drawbacks, eSIMs remain a convenient and future-ready option-especially useful for travelers who want flexibility without the hassle of swapping SIM cards.

What Happens to a Physical SIM After Converting to an eSIM?

Once you switch to an eSIM, your physical SIM doesn’t automatically become obsolete-it depends on how you want to use it.

You can:

• Keep the SIM card in your phone as a backup.
• Use it for specific functions like mobile data or SMS (if your phone supports dual SIM).
• Remove and deactivate it completely if you no longer need it.

In any case, it’s important to notify your mobile carrier about the change to ensure proper service configuration. Some users prefer to keep their physical SIM as a fallback in case of eSIM issues. Others choose to remove it to avoid confusion or free up the SIM slot for travel use. Your choice should depend on your connectivity needs and device setup.

Can an eSIM Be Converted Back to a Physical SIM?

Yes, it is possible to convert an eSIM back to a physical SIM card, but this can’t be done independently. You’ll need to contact your carrier and inform them of your request. They will guide you through the process to make the switch.

Alternatively, you can purchase a new physical SIM card from your preferred vendor and install it manually. However, the eSIM will not be removed automatically unless you request deactivation from your carrier.

Keep in mind, while you can switch between eSIM and a physical SIM, it’s always best to verify with your carrier regarding their specific procedures for deactivation and activation.

SIM-sational Tips for an Easy SIM to eSIM Conversion

Converting your regular SIM to an eSIM is simple when you follow these helpful tips:

• Choose a Trusted Carrier

Make sure to select a reliable carrier or provider when switching to eSIM. For trips abroad, keep your converted number on its own line and add a travel eSIM for local data.

• Use the QR Code for Easy Activation

Skip the hassle of manual activation. Instead of entering a verification code, simply scan your carrier’s QR code when setting up your eSIM. This saves time and streamlines the process.

• Backup Your Data

Although the risk of losing data during eSIM activation is minimal, it's always a good idea to back up important information on your phone beforehand.

• Activate Your eSIM Before Traveling

If you're heading abroad, activate your eSIM before you leave home. This way, you won’t waste any time setting it up once you arrive at your destination.

Frequently Asked Questions About Converting SIM to eSIM

Some frequently asked questions and answers to help you easily Convert a Physical SIM to an eSIM.

What happens when you convert your SIM to eSIM?

When you switch to an eSIM, the physical SIM card is replaced by a digital version built into your phone. This process eliminates the need for a physical card and makes it easier to switch between different carriers, especially for frequent travelers.

How do I switch between my SIM and eSIM?

If your device supports dual SIM functionality, you can easily toggle between your physical SIM and eSIM in your phone’s settings. Just navigate to the network settings and select which SIM you want to use. Be sure to configure your settings correctly to avoid any unexpected charges.

How long does it take to convert to an eSIM?

Usually a few minutes on the phone. Your iPhone or Galaxy may lose signal briefly while the eSIM activates, and your old SIM stops working once it does.

What if my carrier doesn't support eSIM?

Keep using your physical SIM. You can still add a travel eSIM from another provider for data abroad, as long as your phone supports eSIM and is unlocked.

Read more:

eSIM in Apple Watch: Everything You Need to Know and How to Set It Up

How to Install an eSIM on Samsung Galaxy Devices: Complete Setup Guide 2025

What’s the difference between the SIM and the eSIM?

A traditional SIM is a plastic chip that stores your carrier's information, while an eSIM is a digital chip integrated into your phone or device. The key difference is that eSIMs allow you to switch carriers more conveniently without the need to insert or swap physical cards, making them particularly useful for travelers.

Ready to get connected? Compare BitJoy travel eSIM plans