Samsung Galaxy S24 Ultra 256GB and eSIM: compatibility and setup

The Samsung Galaxy S24 Ultra 256GB is part of a phone family that Samsung lists as supporting eSIM. For this exact storage configuration, the practical answer is therefore yes, provided your particular regional model includes eSIM and its software exposes the feature. The 256GB label describes storage capacity; it does not identify the country-specific hardware or firmware. Samsung explicitly cautions that eSIM availability can depend on the country of origin, carrier and device configuration.

That distinction matters if you bought the phone abroad, imported it, received it through a carrier, or are checking a used device. Do not rely on the family name or storage size alone. Look for an EID and an Add eSIM option on the phone, confirm the model code, and check that it is unlocked for the network you plan to use. If those checks pass, you can install a travel data eSIM and choose it for mobile data while keeping a physical SIM active if your variant and plan allow it.

Quick compatibility summary

Why regional versions matter

Samsung sells phones under the same commercial family name in different markets. The internal model code and software build identify a more specific configuration than the retail description “Samsung Galaxy S24 Ultra 256GB.” Network bands, SIM arrangements, available carrier features and menu labels may vary between those versions. A carrier-branded handset may also have restrictions or a different activation flow. These details are separate from storage capacity: 256GB is not an eSIM variant code.

Check the model number on the phone before relying on an online compatibility list. Open Settings → About phone and note the model name and model number. Compare that full number with Samsung’s support or specifications page for the country where the device was sold. If you are buying a used or imported phone, ask for a screenshot of the model information and SIM Manager screen, rather than accepting “S24 Ultra” as the only confirmation.

A carrier’s eSIM support is another separate question. Your phone may have eSIM hardware while a particular mobile provider does not support the plan, transfer method or activation method you want. Conversely, a plan provider cannot add eSIM hardware to a handset whose regional version lacks it. Confirm both sides: the phone must support eSIM, and the provider must support its eSIM service for that phone and destination.

Check compatibility before you buy

Use these checks on the phone you will take on the trip. They are more useful than relying on the product name alone.

• [ ] Find the model number. Open Settings → About phone. Record the model code as well as the name and storage size.
• [ ] Look for the EID. Go to Settings → About phone → Status (or Status information, depending on software). An EID should be listed on an eSIM-capable configuration. Samsung also says it may appear on the original box.
• [ ] Open SIM Manager. Go to Settings → Connections → SIM manager. Look for Add eSIM. Menu wording can vary with One UI version and region.
• [ ] Check the local product specification. Match the model code to the Samsung specifications or support page for the market of origin. Look for “Embedded-SIM” or equivalent wording in the SIM/network section.
• [ ] Confirm the phone is unlocked. Ask the original carrier or seller if the device is network-unlocked, especially if it was sold on a contract or imported.
• [ ] Check the actual eSIM provider and destination. Verify that the plan can be installed on this model and is valid in every country on your route.
• [ ] Keep a reliable internet connection for setup. Downloading a profile usually needs Wi-Fi or working mobile data.

For a quick starting point, check your device. Treat a compatibility result as a screening step: the model code and settings on the actual handset remain decisive. If the EID or Add eSIM entry is missing, do not buy a plan on the assumption that storage capacity or the S24 Ultra name guarantees support. First confirm the regional version with Samsung or the seller.

How to read the EID check

The EID is a device identifier associated with an embedded SIM. It is not the phone number, IMEI, QR code or eSIM activation code. Do not post it publicly. If a plan provider or mobile operator asks for an EID for a supported setup, share it only through the provider’s official secure channel.

On many Galaxy phones, the path is Settings → About phone → Status. Some software versions label the page Status information. You can also inspect the original box if it is available. A missing EID is a reason to investigate, not a complete diagnosis by itself: first check the exact model code, software updates and regional product specification. If the EID remains absent and the phone has no Add eSIM option, treat eSIM as unconfirmed for that handset and contact Samsung or the seller before paying for a plan.

The menu can be hidden under a different language or software layout. Use Settings search for “SIM manager” or “eSIM,” then open the Connections section directly. If neither a search result nor the SIM Manager contains Add eSIM, do not try random service codes or unofficial firmware changes. Ask Samsung support to confirm the regional model and its eSIM support.

Set up a travel eSIM on the Galaxy S24 Ultra 256GB

After confirming compatibility and unlock status, choose a data plan that matches your itinerary. Read the plan details before checkout: supported country or region, included data, validity period, when validity begins, whether tethering is allowed, and whether the plan requires data roaming. Kaspersky eSIM Store is an app and website where you can choose, arrange and activate an eSIM with a mobile data plan for an overseas trip. It does not operate the mobile network. Plan availability and network service depend on the selected plan and the local network conditions.

You can browse current destinations and plans in Kaspersky eSIM Store and compare the terms for your trip. The homepage is a general starting point; it is not a country-specific tariff or a promise of coverage. Confirm the destination and plan details shown for your route before you complete a purchase.

Before installation

1. Update the phone. Install available system updates while you still have reliable internet. Menu names may differ by software version.
2. Keep Wi-Fi available. The phone needs an internet connection to download the eSIM profile. Avoid starting installation when you may lose access to the QR code or account.
3. Have the activation details ready. Depending on the plan, you may use an in-app installation flow, scan a QR code or enter activation information manually. Follow the method provided with that plan.
4. Check profile limits and transfer rules. Some eSIM profiles can be installed only once or may not transfer to a replacement phone. Do not delete a working profile unless the provider’s instructions say it can be restored.
5. Decide when to activate. A plan’s validity may begin at installation, first network connection or another point described in its terms. Confirm this before installing if you want to avoid starting the allowance too early.

Install and activate

1. Open Settings → Connections → SIM manager.
2. Tap Add eSIM. If the provider offers a supported one-tap or automatic download, follow the on-screen steps. Otherwise choose the QR-code option.
3. Scan the QR code supplied for your plan. If scanning is unavailable, choose manual entry only if the provider gave you the required activation details.
4. Wait for the profile to download. Keep the phone connected to the internet and do not scan the same single-use QR code on another device.
5. Give the profile a clear label such as “Travel data” so you can distinguish it from your home SIM. Labels are for your own reference.
6. In SIM Manager, turn on the new eSIM and select which SIM should handle mobile data. Keep your home SIM selected for calls or messages if you need it and if your plan supports that arrangement.
7. At the destination, select the travel eSIM for mobile data. Turn on data roaming for that eSIM only if its instructions require it. Leave roaming settings for your regular SIM as intended to avoid unwanted charges.
8. Wait for the phone to register on a supported local network. The first connection can take several minutes. If the plan specifies a preferred network selection method, follow those instructions.

Samsung may provide different menu wording for carrier discovery, QR installation or manual activation. For the device-specific steps, see the Android eSIM installation instructions. The iOS eSIM installation instructions apply to an iPhone, not to the Galaxy S24 Ultra; they are included for readers who are preparing a different device. Always use the instructions supplied for the plan you selected if they differ from a general walkthrough.

Using mobile data while travelling

Before departure, check the map or country list associated with the exact plan, including stopovers. A regional or global plan may cover several places, but names such as “Europe” or “Global” do not guarantee service in every territory. Check the included destinations, data amount, validity and any speed or fair-use conditions displayed for the plan.

If the phone has both a home SIM and a travel eSIM, set the travel profile as the mobile-data line when you arrive. The Galaxy can keep more than one SIM profile in its settings, but the number of active lines and available combinations depend on the device variant and software. Select the line that should carry data rather than assuming the newly installed profile became the default automatically.

If you keep the home SIM enabled for calls or SMS, check its roaming charges and ensure mobile data is assigned to the travel profile. A travel data eSIM may not include a regular number, voice calls or SMS; check the plan description and use internet messaging over data when appropriate.

When you land, turn off airplane mode, confirm the travel eSIM is enabled, and check the mobile-data selection. If the plan requires roaming, enable it for the travel profile. Allow time for network registration. When crossing borders, the phone may need to register again. If service does not return, use the provider’s network selection guidance.

Troubleshooting: what to check first

Add eSIM is missing

Confirm that the phone is the Galaxy S24 Ultra 256GB you expect and check its full model number. Look for EID under About phone → Status, install available software updates, and reopen Connections → SIM manager. If both the EID and Add eSIM remain absent, the regional model may not include eSIM or the installed carrier configuration may differ. Ask Samsung or the original seller to verify the device. Do not assume the feature can be enabled by changing the phone’s country setting.

The QR code will not scan

Clean the camera lens, increase the QR code’s size and brightness, and ensure the code is intended for a Samsung device and has not already been used. If the QR is displayed on the same phone, use the provider’s manual or in-app installation method instead of trying to scan the screen. Request a replacement from the plan provider if the code is invalid or the profile has already been downloaded elsewhere. Never share a one-time activation code in a public forum.

The profile installs but has no service

First confirm the plan is active for the current date and country. In SIM Manager, make sure the profile is switched on and selected for mobile data. Check whether data roaming is required for that eSIM. Turn airplane mode on briefly and off, then restart the phone if needed. If the plan offers manual network selection, follow its documented choice. A plan may not connect where the local network has no service or where the destination is not included.

Mobile data works on the wrong SIM

Open Settings → Connections → SIM manager and check the preferred SIM for mobile data. Review the home SIM’s roaming setting as well. Switching the data line does not automatically change every call or text preference, so check each selection separately. If you still see unexpected data use, temporarily turn off mobile data and confirm the assigned line before turning it on again.

The phone is carrier-locked

An EID and an installed profile do not bypass a network lock. Contact the original operator and ask whether the handset is eligible for unlocking. Do not purchase additional plans until the carrier confirms that another provider’s eSIM can be used on the device.

The connection is slow or intermittent

Check signal strength, the selected network, plan data balance and any plan speed conditions. Move to a place with better reception and toggle airplane mode once. If the phone has signal but applications cannot connect, verify that the travel eSIM is the mobile-data line and that the plan has remaining data and validity. Service quality depends on the destination network, coverage and local conditions; changing the APN should be done only when the provider supplies the correct settings.

If the checks do not resolve the issue, contact the seller or plan support with the phone model code, software version, destination, time of the issue and a description of the screen message. Do not send full EID, QR codes, passwords or one-time activation codes in an unsecured public message.

Frequently asked questions

Does Samsung Galaxy S24 Ultra 256GB support eSIM?

Samsung lists Galaxy S24 Ultra among its eSIM-capable Galaxy phones. The 256GB storage variant is not, by itself, a separate eSIM model. Confirm the regional model code, EID and Add eSIM menu on your actual phone because Samsung notes that country of origin can affect support.

Does every 256GB version have eSIM?

That cannot be concluded from the storage label alone. Different regional or carrier configurations can have different SIM support. Check About phone for the model number, then verify the relevant local Samsung specification and SIM Manager on the handset.

Can I use a travel eSIM with my regular SIM?

Often, a compatible Galaxy configuration can use a physical SIM with an eSIM, but active-line combinations and carrier rules vary. You can usually choose which SIM handles mobile data in SIM Manager. Check the plan and your home operator’s roaming terms before travel.

Does a data eSIM include calls and text messages?

Only if the specific plan says so. A travel data plan should not be assumed to include a standard phone number, voice service or SMS. Internet-based messaging and calls can work over mobile data when the app and destination allow them.

Final check before your trip

Samsung lists the Galaxy S24 Ultra family as supporting eSIM, but your regional configuration still matters. Confirm the model number, EID, Add eSIM option and carrier-unlock status, then check that the plan covers your destinations.

After those checks, install the travel profile over a reliable connection and select it for mobile data when you are ready. Kaspersky eSIM Store helps you browse and arrange a plan; its terms and the local network determine where it works.