Sony Xperia 1 VI eSIM: compatibility and setup guide

Short answer: Sony Xperia 1 VI can use eSIM, but support depends on the exact regional model. Sony documents eSIM support for the European/international XQ-EC54 and the Japanese SIM-free XQ-EC44. The XQ-EC72 version does not support eSIM. Check the model code on your own phone before choosing a plan; the Xperia 1 VI name on a shop listing is not enough to establish compatibility.

Does Sony Xperia 1 VI support eSIM?

There is no single answer that safely covers every Xperia 1 VI sold around the world. Sony’s Help Guide identifies XQ-EC54 as the eSIM-capable version and explicitly says that XQ-EC72 cannot use eSIM. Sony’s Japanese SIM-free specifications list nano-SIM/eSIM for Xperia 1 VI XQ-EC44. These are distinct regional configurations of the same named phone, not software settings that can turn eSIM on for every version.

The region where you are standing and the region or channel where the phone was sold are separate things. For example, using an XQ-EC54 while travelling in the United States does not make it an American-market model; its built-in eSIM capability remains a hardware/version feature, while whether a particular US operator or travel-plan provider will activate it is a separate compatibility question. Sony’s US support guidance says Xperia phones sold for the US market do not support eSIM. Do not apply that US-market statement to every imported Xperia 1 VI, and do not assume that an imported eSIM-capable model will work on every local network. Check both the handset model and the specific service you plan to use.

A carrier can also impose a SIM lock or other service restrictions. An unlocked phone may still need compatible network bands, a supported activation method, and an eligible plan. Conversely, a phone that has an eSIM menu is not proof that a particular tariff covers the country you are visiting. Treat device capability, carrier acceptance, and destination coverage as three separate checks.

How to identify your regional version

1. Open Settings on the phone.
2. Tap About phone.
3. Find Model or Model number and note the complete code, such as XQ-EC54, XQ-EC72, or XQ-EC44.
4. Compare that code with the seller’s listing and the SIM information for that exact market. If the box, receipt, and Settings screen disagree, rely on the phone’s displayed model and ask the seller or Sony support to resolve the difference.

Do not identify the version from colour, storage size, the language of the interface, or the fact that two SIMs are advertised. Those details do not by themselves tell you whether the second line is an eSIM or a second physical SIM.

What to check before choosing an eSIM plan

Complete these checks before paying for a travel data plan. They help distinguish a compatible phone from a similar-looking version and reduce the chance of discovering a restriction during the trip.

• [ ] Confirm the model code. XQ-EC54 is eSIM-capable; XQ-EC72 is not. Sony’s Japanese SIM-free XQ-EC44 is listed with eSIM support. For any other code, verify with Sony or the seller instead of guessing.
• [ ] Look for an eSIM option. On supported software, open Settings → Network & internet → SIMs. Depending on your Android version and existing SIM setup, the option may appear as Add SIM or Download a SIM instead? Menu wording can vary. An available add/download option is useful evidence, but use the model code as well.
• [ ] Check the EID. Open Settings → About phone → SIM status or search Settings for “EID.” An EID is an identifier for the embedded SIM. Its presence is a strong sign that the device has eSIM hardware, but if the EID is absent, first confirm the model, current software, and menu path. A missing EID alone should not be used to override Sony’s model-specific documentation.
• [ ] Check that the phone is not restricted. Ask the original carrier or seller whether the device is SIM-unlocked and can accept a profile from another provider. Do not rely on an assumption based on where you bought the phone.
• [ ] Check the plan’s destination and conditions. Confirm that the selected eSIM plan includes the country or route you will visit, its data allowance and validity period, and when its validity starts. A supported phone does not guarantee service in every place.
• [ ] Keep an internet connection available for setup. The profile normally needs Wi-Fi or another working data connection to download. Install it before departure when practical, following the plan’s activation instructions.

Before choosing a plan, confirm the full model code rather than relying only on the product family name. After that check, Kaspersky eSIM Store is an app and website where you can choose, arrange, and activate an eSIM with a mobile data plan for an international trip. Compare the destination, allowance, validity, and activation conditions before selecting an option.

If you want a second check before you choose a plan, check whether your device is compatible.

How to install and activate an eSIM on Sony Xperia 1 VI

The steps below follow Sony’s eSIM setup flow for a supported Xperia 1 VI model. The phone’s menus and the provider’s activation process may differ slightly by Android version, region, and plan. If the device is XQ-EC72, these steps cannot add eSIM capability; use a supported device instead.

Before you start

• Confirm that your Xperia 1 VI is an eSIM-capable model and is not restricted by its original carrier.
• Connect to Wi-Fi or another reliable internet connection.
• Have the provider’s QR code or manual activation details ready. Keep the QR code accessible on a second screen or printed page if you will scan it with the Xperia camera.
• Read the plan’s instructions about installation, activation, validity start, and whether the profile may be installed only once. Keep the original instructions until the eSIM is working.
• If you use a physical SIM for calls or messages, leave it installed unless you have a reason to remove it. The XQ-EC54 can use a nano-SIM with an eSIM, but the available combinations depend on the model.

Add the eSIM profile

1. Open Settings.
2. Tap Network & internet, then SIMs. If labels differ, search Settings for SIMs or Add SIM.
3. Tap Add SIM. If asked how to add it, choose the option to download or set up an eSIM.
4. Scan the QR code supplied for your eSIM plan. If scanning is unavailable, choose manual entry only when the provider has supplied the required activation details.
5. Follow the on-screen prompts to download the profile. Keep the phone connected to the internet and do not close the setup flow while it is processing.
6. When the download finishes, open the SIM settings and turn on Use SIM for the new profile if it is not already enabled.
7. Give the line a clear label, such as Travel data, so you can distinguish it from your regular SIM.

Sony notes that eSIM setup can vary by network operator. Follow the provider’s instructions if they specify a different sequence or if the QR code is delivered through an app. For more help, see the Android eSIM installation instructions. The iOS eSIM installation instructions apply to Apple devices and are included here only as a general reference for travellers who also use an iPhone; their menu steps do not apply to Xperia.

Choose the line for mobile data

Adding a profile and using it for internet access are separate steps. Before you travel, open the Xperia SIM settings and make sure the new profile is enabled. Under the mobile data setting, select the travel eSIM when you want the travel plan to carry data. If your phone asks which SIM should handle calls or texts, keep your preferred line selected; changing the data SIM does not automatically move your regular number.

Some eSIM plans require data roaming to be enabled on the travel line for the partner network to connect. Check the plan’s instructions first, then enable roaming only for that eSIM if required. Roaming settings on your home SIM are separate, so review them as well if you want to avoid unexpected charges from your regular operator. The eSIM plan’s own terms determine its data allowance and validity.

If the plan should start only when you arrive, install the profile in advance but leave it disabled or follow the provider’s stated activation timing. Some plans start their validity when installed; others begin when the eSIM first connects to a supported network. Never assume the timing—check the plan details before adding or enabling it.

Using Xperia 1 VI eSIM for mobile data while travelling

An eSIM can let you keep a physical home SIM in the phone while using a separate data plan for a trip. This is useful when you want to retain access to your usual number while connecting through a travel plan. The exact dual-SIM behaviour depends on the model, Android software, and operator settings, so check which line is selected for mobile data before relying on it.

Before departure: verify the exact model code, buy a plan for the right destination or route, and install the profile over Wi-Fi if the plan allows advance installation. Save the plan instructions and any support details where you can find them offline. Decide whether the eSIM should remain off until arrival. Review which line is selected for mobile data, calls, and SMS, and review roaming on your home SIM.

On arrival: turn on the travel eSIM, select it for mobile data, and allow time for network registration. If the plan requires roaming, switch on data roaming for that profile. Check that the phone shows the intended line as active and that a webpage or map can load. Avoid repeatedly deleting and reinstalling the profile; many QR codes are single-use, and deleting a profile may require help from the plan provider to restore it.

During the trip: monitor data usage in the phone’s settings and in the plan account if usage information is available. Use Wi-Fi for large downloads or backups when convenient, and disable mobile data for apps that should not use the travel allowance. If you visit more than one country, confirm that each destination is included in the plan rather than assuming a regional plan covers every border crossing.

A data-only travel eSIM generally does not replace a regular phone number. Unless the plan terms say otherwise, it is for mobile data rather than standard voice calls or SMS. You can use messaging and calling apps over data, subject to their own requirements. Keep your normal SIM enabled for calls or verification messages only if its roaming terms and charges are acceptable to you.

Common problems and what to check

“Add SIM” or eSIM setup is missing

Check Settings → About phone for the model code. XQ-EC72 does not support eSIM, even if another Xperia 1 VI version does. On a supported model, install available system updates, restart the phone, and search Settings for SIMs, EID, or Add SIM. If the model is confirmed as eSIM-capable but the option is still missing, contact Sony support or the seller with the model code and software version.

The QR code will not scan or the profile will not download

Make sure the QR code is clear, not cropped, and displayed on another screen at a readable size. Confirm that the phone has a stable internet connection and that the code belongs to the plan you selected. If it has already been scanned or the download was interrupted, check the provider’s instructions before trying again; some activation codes cannot be reused. Use manual installation only with details supplied by the provider.

The profile is installed, but there is no service

Confirm that the eSIM is enabled and selected for mobile data. Check that the plan is active, its validity has begun, and the country is included. If required, turn on data roaming for the travel profile. Then toggle airplane mode on and off or restart the phone, and give it a few minutes to register. If service still does not appear, check whether the plan’s supported network is available in your area and ask the provider for help.

Data does not work, or usage is charged to the wrong line

Open the SIM settings and verify the default SIM for mobile data. Confirm that mobile data is on for the chosen line and that the travel profile has not been disabled. If both a home SIM and travel eSIM are active, make sure you understand which line is carrying data. Turn off automatic switching or data preferences that could move data to the home SIM if the software exposes those settings, and check your home carrier’s roaming conditions.

The phone rejects the eSIM or reports an activation error

Check the exact model code and ask the original carrier whether the phone is locked. Verify that the activation code has not expired or already been used, and compare the plan’s country, device, and activation requirements with your situation. Do not remove a working profile as a first troubleshooting step. Contact the plan provider with the error message and order details; provide the EID only through a trusted support channel when requested.

The connection is slow or drops

Signal and speed depend on the local network, location, congestion, device radio support, and the plan’s terms. Check the coverage information for the specific destination, move to an area with better reception, and confirm that the phone is using the intended eSIM. Restarting can help the device register again, but it cannot create coverage where the partner network is unavailable. If the issue continues, note the location, time, selected network, and error message before contacting support.

Frequently asked questions

Does every Sony Xperia 1 VI support eSIM?

No. Sony identifies XQ-EC54 as eSIM-capable and XQ-EC72 as not supporting eSIM. Sony’s Japanese SIM-free specifications list XQ-EC44 with nano-SIM/eSIM. Check the model number on the phone because regional and carrier versions can differ.

Can I use a physical SIM and eSIM at the same time?

On XQ-EC54, Sony documents a configuration with one nano-SIM and one eSIM. The supported combination can differ on other model codes. Check the relevant model guide and remember that only the selected line may carry mobile data at a time.

Where can I find the EID?

Look in Settings → About phone → SIM status, or search Settings for EID. Menu placement varies by software. If no EID appears, confirm the exact model and eSIM menu before deciding that the handset lacks support.

Does an eSIM guarantee service in my destination?

No. It confirms neither plan availability nor local network service by itself. Check that the tariff covers your destination, that the phone is accepted and unlocked, and that the required network bands and activation conditions are suitable.

Can I install the profile before travelling?

Usually, if the plan’s instructions allow advance installation and you have an internet connection. Confirm when validity starts. You may be able to install it ahead of time and enable it on arrival, but follow the specific plan instructions.

Can I move the eSIM to a replacement phone?

That depends on the eSIM profile and plan. Some profiles cannot be transferred or reinstalled after removal. Check the provider’s transfer and replacement rules before deleting a profile or changing devices.

Final check before your trip

Before choosing a travel plan, confirm that your exact Sony Xperia 1 VI model supports eSIM, verify that the handset is not locked, and make sure the tariff covers your destination and dates. For Xperia 1 VI, model code matters: XQ-EC54 and Japan’s SIM-free XQ-EC44 are listed with eSIM support, while XQ-EC72 is not. Check the menu and EID on the phone as an additional confirmation, then install and activate the profile according to its instructions.

Once those checks are complete, use the Kaspersky eSIM Store app or website to choose, arrange, and activate an eSIM with a mobile data plan for your international trip. Review the data allowance, validity, destination, and activation timing before you select a plan, and keep the setup instructions available until you are connected.