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How to stay connected no matter where you travel in the world

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How to stay connected no matter where you travel in the world

These days, we are so reliant on our phones that it’s important to be able to use them when we travel. After all, imagine landing in another country only to find out you can’t make phone calls, send texts or even open your email to pull up your hotel reservation.

What about using the map to find out where you’re going? And who wants to spend their vacation trying to figure out how to get their phone to work abroad instead of just having it work when they get there? 

What makes this all worse is if you discussed this with your phone company beforehand and were assured your phone would work, only to arrive and it doesn’t.

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Smartphone with a SIM card displayed next to it (Kurt “CyberGuy” Knutsson)

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Will my phone work abroad?

This happened to Jack, who wrote to tell us about his situation. When he arrived at his destination — despite already confirming with his phone service provider that his wife’s new iPhone would work properly — she could not make or receive calls. Eventually, they ran out to buy a SIM card to use, only to discover that the phone only accepts eSIM and does not have a SIM card slot. Unfortunately, this situation is all too common. So, how can you stay connected no matter where you travel in the world? Here are some tips.

A couple taking a selfie on vacation (Kurt “CyberGuy” Knutsson)

THE BEST TRAVEL GEAR FOR 2024

What are my phone options when traveling abroad?

Even though our phones have become more sophisticated and the globe is more connected, getting your phone to work in another country (or countries) isn’t so straightforward. Each phone company has its own policies, and each device has capabilities and limitations when installing other SIM cards. This means that when you travel, you essentially have five options to use your device abroad:

1. Pay for an international plan: Some phone providers have international plans. You essentially pay more on your monthly bill for the time you’re traveling, and you can use your phone. However, there may still be restrictions in terms of how many calls and texts you can make and/or how much data you can use. Be sure to check this.

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2. Buy an international SIM card: If you don’t want to pay more for your phone plan in order to be able to use your phone internationally as is, then you can buy an international SIM card. These come in the form of an eSIM (a downloadable sim card) or a physical SIM card that you can put in your phone, swapping with the one you normally use or inserting it in the other slot as some phones have more than one sim card slot for this very reason. ESIM cards can be purchased online/downloaded, and physical SIMs are generally purchased in the country upon arrival. They can typically be purchased at the airport.

3. Use data only: Some people opt to only use data plans when they go abroad, as they may not need to make phone calls or send SMS. They may use communication apps like Whatsapp or Facebook Messenger, map applications, etc., with no need for a calling/texting plan. Some phone companies offer this or have specific rates for data used abroad.

4. Use Wi-Fi only: This isn’t always recommended, as it is important to be able to use your cellphone when traveling. However, for many years, people traveled this way. So, if you’re up for it and the situation allows for it, then you can decide to use Wi-Fi only during your travel, perhaps at your accommodation or in public areas. However, be cautious when using public Wi-Fi, as it can pose security risks to your personal information. Some people may also try this Wi-Fi-only option out first, and then, if they need it, they can purchase a sim card, as some cities have free Wi-Fi all over. You can also consider purchasing a mobile hot spot.

5. Buy a prepaid phone abroad: If none of the options work for you (we’ll cover more on why this could be below), you can also opt to buy a cheap phone while abroad. This option could also be ideal for someone who will be outdoors a lot or traveling to an area that may be less safe, so you don’t want to risk bringing your actual phone.

A woman looking at her cellphone while on vacation (Kurt “CyberGuy” Knutsson)

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HOW TO SET UP FREE MESSAGING ON YOUR PHONE WHILE TRAVELING INTERNATIONALLY

How to ensure you’re connected while traveling

If you want to be absolutely sure you’ll be able to use your phone while traveling, follow the steps below. At least if one option is not available or does not work, you’ll know what other options are out there so you don’t end up in a bind and unable to use your phone.

Step 1: Before you travel

Before you travel — and, in some cases, before you even purchase your phone — there are some things you’ll want to verify before hitting the road to ensure your phone will work abroad:

Check device compatibility: Ensure your phone is unlocked, can use eSIM technology and/or if it has a sim card slot. Again, some devices even have two slots, so you don’t have to risk losing that tiny sim card you normally use when you’d swap it out. Most newer iPhones (specifically, iPhone XS and newer), Samsung Galaxy and Google Pixel devices support eSIMs. This is important to know if your carrier does not have a suitable international plan.

Check mobile standards: Contact your phone manufacturer for verification about which mobile standards your phone uses. A GSM-compliant phone is more likely to work around the world than a CDMA-compliant phone.

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Check your carrier’s options: Every mobile service provider understands that their customers might need to travel overseas occasionally and has specific service plans for this. Carriers might include international roaming on select data plans without additional fees. Be sure to understand how this works and confirm prices, scenarios, etc.

If needed, purchase an eSIM: If an international plan is not an option, look into purchasing an eSIM for the country you’re going to. Many carriers offer prepaid plan options that you can purchase from the carriers’ websites or apps before you arrive, and there are also new companies out there that offer this. Be sure to check that your device is compatible with the company and understand their rules. For instance, some companies require you to install the eSIM once you’re in that country, so you won’t want to install it before.

Opt to buy a physical SIM card or prepaid phone when you arrive: Even people who have phones that are compatible with eSIM can still run into unexpected problems. Otherwise, some people may just prefer to purchase a physical SIM card that they can insert into their phone when they arrive. This also goes for prepaid phones. We’ll cover this more in a bit.

Check cell signals where you’re going: Even if your device is technically compatible, it could be the case that where you’re going it won’t matter due to the infrastructure. For example, if you’re traveling somewhere very remote, you may not have connectivity regardless. Of course, in some cases, you may not be able to know this until you arrive.

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A woman holding up her phone with eSIM displayed on her device (Kurt “CyberGuy” Knutsson)

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Step 2: When you arrive

When you arrive at your destination — depending on which option you’ve opted for — you’ll have to set it up to get it working. This may look slightly different depending on the carrier and device, but generally, these are the next steps:

To use your international phone plan from your provider

If you’ve already spoken to your phone provider and paid for an international plan, they should be able to tell you how to set this up on your unique device when you arrive. But generally, you’ll need to turn on data roaming.

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Turn on data roaming on iPhone:

  • Open the Settings app
  • Tap Cellular (or Mobile Data)
  • Tap Cellular Data Options (or Mobile Data Options)
  • Toggle on Data Roaming

Turn on data roaming on Android:

(Note: These steps may vary slightly depending on the device model and Android version.)

  • Open the Settings app
  • Tap Network & Internet (or Connections)
  • Tap Mobile Network (or Cellular Networks)
  • Toggle on Data Roaming

To use an eSIM

If you’ve decided to go with the eSIM option, you’ll need to activate it. Usually, you download it and activate when you arrive at your destination, but not always. This, again, should be clarified before purchasing the eSIM, as many companies are strict about their return policies. Typically, you can use a QR code to activate that plan via the eSIM card on your cellular device.

BEST PREPAID SIMS & ESIM CARDS FOR TRAVELERS

To purchase and use a physical SIM card

If you plan on buying a physical SIM card when you arrive, sometimes the best place is at the airport. This way, you can use your phone right away.

Install a physical SIM card on iPhone:

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  • Locate the SIM tray on the side of your iPhone.
  • Use a SIM ejector tool or a paperclip to press into the small hole next to the SIM tray to eject it.
  • Remove the SIM tray and place your new SIM card into the tray.
  • Reinsert the SIM tray back into the iPhone.
  • Your iPhone should automatically detect the new SIM card and connect to the network.

Install a physical SIM card on Android:

(Note: These steps may vary slightly depending on the device model and Android version.)

  • Locate the SIM tray on the side or back of your Android device.
  • Use a SIM ejector tool or a paperclip to press into the small hole next to the SIM tray to eject it.
  • Remove the SIM tray and place your new SIM card into the tray.
  • Reinsert the SIM tray back into the Android device.
  • Your Android device should automatically detect the new SIM card and connect to the network.

To buy a prepaid phone

If the above options don’t work for whatever reason, you can also purchase a disposable phone for travel. Similar to purchasing a physical sim card once you arrive, purchasing that prepaid phone at the airport may be best, as they can help you get connected immediately.

A man on his phone while on vacation (Kurt “CyberGuy” Knutsson)

Step 3: When you get back home

When you’re finished with your trip, and you’re back home, you’ll want to use your normal phone again.

If you had an international plan:

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  • Contact your phone provider to ensure your international plan is deactivated or adjust it according to your future needs.
  • Confirm that your domestic plan is active and that your settings are back to normal.

If you had an eSIM:

  • Go to your phone’s Settings.For iPhone: Open Settings > Cellular (or Mobile Data) > Select your eSIM plan > Remove Cellular Plan.For Android: Open Settings > Network & Internet (or Connections) > Mobile Network > Advanced > Select your eSIM plan > Delete.
  • For iPhone: Open Settings > Cellular (or Mobile Data) > Select your eSIM plan > Remove Cellular Plan.
  • For Android: Open Settings > Network & Internet (or Connections) > Mobile Network > Advanced > Select your eSIM plan > Delete.
  • Ensure your primary SIM is active and set as the default for calls, messages and data.

If you had a physical SIM card:

  • Remove the international SIM card from your phone.For iPhone: Use a SIM ejector tool or a paperclip to press into the small hole next to the SIM tray to eject it.For Android: Use a SIM ejector tool or a paperclip to press into the small hole next to the SIM tray to eject it.
  • For iPhone: Use a SIM ejector tool or a paperclip to press into the small hole next to the SIM tray to eject it.
  • For Android: Use a SIM ejector tool or a paperclip to press into the small hole next to the SIM tray to eject it.
  • Reinsert your domestic SIM card back into your phone.
  • Ensure your phone connects to your home network and all settings revert to your domestic plan.

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Kurt’s key takeaway

Don’t let all these options overwhelm you. Remember, the key is to plan ahead and choose the method that best fits your needs and destination. Whether you’re team eSIM, physical SIM card or even considering going old school with a prepaid phone, there’s a solution out there for every globetrotter. And hey, let’s not forget the most important part of traveling — actually enjoying your trip. Once you’ve sorted out your phone situation, make sure to put it down every now and then to soak in the sights, sounds and experiences of your destination. After all, isn’t that what traveling is all about?

How has technology changed how you experience and document your travels, and do you think these changes have enhanced or detracted from exploring new places? Let us know by writing us at Cyberguy.com/Contact.

For more of my tech tips and security alerts, subscribe to my free CyberGuy Report Newsletter by heading to Cyberguy.com/Newsletter.

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Technology

Sony’s souped-up PlayStation 5 Pro is $100 off for the rest of today

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Sony’s souped-up PlayStation 5 Pro is 0 off for the rest of today

Sony’s full suite of PlayStation 5 consoles jumped in price in August due to increased US tariffs, but now through Christmas, you can save $100 on several models. This discount is especially great if you planned to go big with Sony’s PS5 Pro, the company’s priciest, most powerful console yet. Normally $749.99, you can currently grab one at Amazon, Walmart, and Target for around $689.99. Sony’s PlayStation Direct storefront indicates that the PS5 Pro sale ends on December 25th at 3AM ET, although discounts may remain on cheaper models.

The PS5 Pro plays many games at their best resolution, while making far fewer concessions than the standard PS5 when it comes to visual effects (particularly ray tracing and shadow quality). Some games simply look better or run faster on the Pro than the base-model PS5, while others look better and run faster. That said, it’s worth noting that PS5 Pro lacks a disc drive and is thus limited to digital titles, though you can buy an optional drive for $80 if you want to attach one later.

The PlayStation 5 Pro has a bigger GPU than any other PS5 model, with twice as much internal storage as the current slim models (2TB versus 1TB). Another notable feature exclusive to the Pro is PSSR (PlayStation Spectral Super Resolution), which uses AI to upscale graphics in supported games to produce a better-looking image. The difference in performance between the Pro and the base PS5 is easy to notice in several games, although it’s safe to say that there hasn’t yet been a title that makes upgrading to one a no-brainer. But if a lower price is all the encouragement you needed to upgrade, now is a good time to get one.

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3D-printed housing project for student apartments takes shape

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3D-printed housing project for student apartments takes shape

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A quiet town in western Denmark is quickly becoming a testing ground for the future of housing.

Skovsporet, described as Europe’s largest 3D-printed housing project, is now taking shape in Holstebro. When finished, the development will deliver 36 student apartments built faster than many single-family homes.

The project sits near VIA University College and serves students in the area. NordVestBo, an affordable housing organization focused on student living, commissioned the development. SAGA Space Architects designed the project in collaboration with 3DCP Group and COBOD. From the beginning, the goal stayed simple and ambitious. Build high-quality homes faster, more efficiently and at a scale traditional construction often struggles to reach. So far, the progress speaks for itself.

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AUSTRALIA DEBUTS FIRST MULTI-STORY 3D PRINTED HOME – BUILT IN JUST 5 MONTHS

The six buildings are arranged around shared outdoor areas, creating a village-style layout designed for student life. (SAGA Space Architects)

How 36 student apartments were printed at record speed

Skovsporet includes six buildings, and each one holds six ground-level student apartments. Crews printed the structures on site using the COBOD BOD3 3D construction printer. The machine extrudes a cement-like material layer by layer, following a digital blueprint with millimeter accuracy. 

At first, printing a single building took several weeks. However, productivity improved quickly as the team gained experience. By the final building, printing wrapped up in just five days. That pace equals more than one student apartment printed per day. 

Even more notable is the small crew required to run the system. Only three people operated the printer on site. As a result, automation handled the heavy work while the team focused on oversight, quality and precision.

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Inside the 3D-printed student apartments

Each apartment measures roughly 431 to 538 square feet. Despite their compact footprint, the layouts feel open and intentional. Every unit includes a full kitchen, a study area, a lounge, a bathroom with a shower and a bedroom with a double bed. Large roof windows and slanted ceilings pull daylight deep into the space, helping soften the concrete structure. Inside, coated plywood panels and glass elements add warmth and contrast. The result feels modern and livable rather than industrial. These homes are designed for daily student life, not just architectural headlines.

AFFORDABLE 3D-PRINTED BIONIC ARM USES MUSCLE SIGNALS TO MOVE

Why 3D printed construction is changing how housing gets built

The real story at Skovsporet is not just speed. It is repeatability. As the team moved from one building to the next, efficiency improved without sacrificing quality. The BOD3 printer runs on a ground-based track system that allows uninterrupted printing of long wall sections. That consistency makes it easier to scale multi-unit housing projects. 

According to COBOD, this kind of automation reduces labor needs, shortens timelines and improves accuracy. For cities facing housing shortages, those benefits matter.

How sustainability is built into this 3D printed housing project

Skovsporet also shows how 3D printing supports more sustainable construction. The walls were printed using D.fab concrete with FUTURECEM, a low-carbon cement developed by Aalborg Portland. Because the printer deposits material only where it is structurally needed, waste drops significantly compared to traditional methods. The site layout also preserved 95% of the existing trees by carefully positioning print beds between them. In other words, faster construction did not come at the cost of environmental care.

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A COBOD BOD3 printer extrudes concrete layer-by-layer on site, forming the structural walls of Skovsporet’s student apartments with millimeter precision. (SAGA Space Architects)

What happens next for Denmark’s 3D-printed student housing

The 3D printing phase is now complete. Human crews have taken over to install roofs, windows, interiors, furniture and utilities. Landscaped gardens, walking paths and bicycle parking are also underway to create a shared village atmosphere. The project remains on schedule, with residents expected to move in by August 2026.

WORLD’S BIGGEST 3D-PRINTED SCHOOLS ARE UNDERWAY IN QATAR

What this means for you

If you care about housing affordability, this project is worth watching. Skovsporet proves that automation can deliver student housing faster while keeping quality high. It also hints at what could come next. Multiunit housing built with fewer workers, less waste and shorter timelines could ease pressure in crowded cities. While 3D-printed homes will not replace traditional construction overnight, they are clearly moving into the mainstream. For students, renters and communities, that shift could open the door to more accessible housing options.

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Kurt’s key takeaways

Skovsporet is more than a construction milestone. It is a real-world example of how digital design, automation and sustainability can come together at scale. As Europe, the United States and Australia explore similar projects, this student village in Denmark may become a blueprint for future neighborhoods.

Printed concrete walls rise quickly across six buildings, showing how automation helped crews complete more than one apartment per day. (SAGA Space Architects)

If homes can be printed faster, cheaper and with less waste, what other parts of daily life are ready for the same kind of rethink? Let us know by writing to us at Cyberguy.com.

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Trump administration bars former EU official and anti-disinformation and hate researchers from US

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Trump administration bars former EU official and anti-disinformation and hate researchers from US

On Tuesday, the Trump Administration followed through on a threat of retaliation targeting foreigners who are involved in content moderation. The State Department announced sanctions barring US access for former EU commissioner Thierry Breton, as well as four researchers, while issuing an intentionally chilling threat to others, with Secretary of State Marco Rubio claiming, “The State Department stands ready and willing to expand today’s list if other foreign actors do not reverse course.”

One of the researchers the State Department says is banned and now deportable, is Imran Ahmed, who runs the Center for Countering Digital Hate (CCDH), an organization aimed at identifying and pushing back against hate speech online that Elon Musk tried and failed to censor with a lawsuit that was dismissed in early 2024. In his decision, Judge Charles Breyer wrote that X’s motivation for suing was to “punish CCDH for CCDH publications that criticized X Corp. — and perhaps in order to dissuade others.”

The other researchers include Anna-Lena von Hodenberg and Josephine Ballon, leaders of HateAid, a nonprofit that tried to sue X in 2023 for “failing to remove criminal antisemitic content,” as well as Clare Melford, leader of the Global Disinformation Index, which works on “fixing the systems that enable disinformation.”

The press release announcing the sanctions is titled “Announcement of Actions to Combat the Global Censorship-Industrial Complex,” the claimed target of Republicans like House Judiciary Committee leader Jim Jordan, as they’ve worked against attempts to apply fact-checking and misinformation research to social networks. Earlier this month, Reuters reported the State Department ordered US consulates to consider rejecting H-1B visa applicants involved in content moderation, and a few days ago, the Office of the US Trade Representative threatened retaliation against European tech giants like Spotify and SAP over supposedly “discriminatory” activity in regulating US tech platforms.

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