Charlotte Davies
Head of Business Travel & Lifestyle Connectivity · Cellesim LLC
Based in London, Charlotte Davies is a recognized expert in business travel connectivity and digital lifestyle integration. With over 15 years of experience in corporate travel management for global firms in the City of London, she now advises Cellesim users on seamless connectivity solutions for professional and leisure trips. Charlotte specializes in simplifying complex roaming options for business travelers and luxury vacationers seeking hassle-free internet access.
Related reading(24)
Events & FestivalsSlush 2026: Essential eSIM Data for Startup Founders in Helsinki
Attending Slush 2026 in Helsinki? An eSIM provides a reliable way for startup founders to manage crucial event communications, networking, and access to the Slush Platform without relying solely on Wi-Fi or expensive roaming.
Charlotte Davies
Travel TipsTelkomsel vs Cellesim: Which eSIM is Better for Indonesia in 2026?
Indonesia is a dream, but getting connected can be a nightmare if you pick the wrong data plan. I've been there, stuck in queues after a red-eye flight, just trying to get online. This time, let's break down Telkomsel's tourist eSIM versus Cellesim's instant option for 2026. We're talking real money, real time, and avoiding those dreaded airport kiosks.
Charlotte Davies
Travel TipsTurkcell eSIM for Istanbul: plans, setup and travel data
Compare a Turkcell tourist line with a travel eSIM for Istanbul. Check registration, data allowances, device support and dual-SIM settings.
Charlotte Davies
Travel TipsSouth Korea 4G eSIM Daily Limits: What to Know Before You Go 2026
Heading to Seoul for half-term? South Korea's fast internet is legendary, but understanding the nuances of 4G eSIM daily data limits is crucial to avoid unexpected slowdowns. Don't let a throttled connection disrupt your trip, whether you're navigating Gangnam or streaming K-dramas on the subway.
Charlotte Davies
Travel Tips256 kbps eSIM Speed: Is It Really Enough to Travel on a Budget?
I've spent years living out of a backpack, and every euro counts. When travel eSIMs advertise 'unlimited' data at 256 kbps after a certain threshold, my first thought isn't about streaming HD movies. It's about whether I can still find the cheapest hostel or coordinate a border crossing. Here's the raw truth about making 256 kbps work when you're counting every cent.
Charlotte Davies
Travel TipsWhat's a SIM Card: Your Budget Backpacker's Data Cheat Sheet for 2026
Forget the jargon, let's talk real money. A SIM card is your phone's passport to local mobile networks. But in 2026, is it still the cheapest option, or are you better off with an eSIM? As someone who's crossed borders with both, I'll break down what you need to know to avoid spending a fortune.
Charlotte Davies
Destination GuidesVodacom Travel SIM in South Africa: Kruger Coverage, RICA and Loadshedding
Vodacom is the network to have in Kruger, and self-RICA now skips the counter. Neither fixes the one problem unique to South Africa: when the power goes, the towers go with it.
Charlotte Davies
Destination GuidesSoftBank eSIM in Japan: The Network You Mostly Cannot Buy as a Tourist
Japan requires a residence card for a normal mobile contract, so tourists get a legacy data-only product at 1,650 yen for 500 MB. Here is what actually works instead.
Charlotte Davies
Destination GuidesNcell eSIM in Nepal: Real Trekking Coverage and What Works Above Namche
Ncell is cheap and the stronger trekking network, but above Dingboche no SIM works. The thing that actually gets you online is a Wi-Fi card bought in Namche.
Charlotte Davies
Destination GuidesSwisscom eSIM in Switzerland: Prices, Passport Rules and the EU Roaming Trap
Switzerland is not in the EU, so your EU roaming allowance stops at the border and many "Europe" eSIM plans exclude it. Swisscom prices, passport rules and border traps explained.
Charlotte Davies
Destination GuidesThree UK eSIM for Visitors: When a Local SIM Beats a Travel eSIM
The UK asks visitors for no paperwork and Three sells 60 GB for GBP 10. That makes the case for a travel eSIM narrower here than anywhere else. Here is exactly where each one wins.
Charlotte Davies
Destination GuidesMTN eSIM in Africa: Why One SIM Does Not Cover the Continent
An MTN SIM from Lagos does not work in Accra, and the document Johannesburg wants is not the one Ghana asks for. Registration rules and prices country by country.
Charlotte Davies
Destination GuidesSafaricom eSIM in Kenya: M-Pesa, Passport Rules and Real Safari Coverage
Safaricom has Kenya’s best network and M-Pesa, but airport SIMs cost 10x the town price and much of the Mara has no signal at all. Here is how to size connectivity for a safari trip.
Charlotte Davies
Destination GuidesSingtel hi! Tourist eSIM in Singapore: Is 100 GB Actually Useful?
Singtel sells 100 GB tourist plans from S$12. Between Wireless@SG and near-universal café Wi-Fi, most visitors use 1-3 GB. Here is the passport rule, the Changi queue, and how to size it right.
Charlotte Davies
Destination GuidesGlobe eSIM for Tourists in the Philippines: What the 30-Day Rule Means
Globe sells generous tourist data bundles, but a tourist-registered Philippine line switches off after 30 days by law. Here is what registration takes and when a travel eSIM is simpler.
Charlotte Davies
Travel TipsTurkcell eSIM for Tourists: Navigating Turkey's Mobile Data in 2026
Turkey is a country that always pulls you back, whether it's the buzzing Grand Bazaar in Eminönü or the ancient ruins of Ephesus. But staying connected shouldn't be another item on your travel checklist. Let's talk about Turkcell eSIMs for tourists and how to keep your phone working from the Bosphorus to Bodrum.
Charlotte Davies
Travel TipseSIM GPS Trends 2026: Navigating the Real-World with Data You Can Trust
The conversation around eSIMs and GPS is often overblown with market projections. What actually matters on the ground is whether your navigation works when you need it, and if your data plan can keep up. I've spent years figuring out how to make this work reliably, from the co-working cafes of Canggu to the busy streets of São Paulo. Let's cut through the hype and talk about what's genuinely useful for travelers in 2026.
Charlotte Davies
Travel TipsSpeedtest Your eSIM: Real-World Data Speeds & What To Expect Abroad in 2026
Wondering how fast your eSIM will actually be when you land? We dive deep into the real-world performance of travel eSIMs, examining typical speeds for 4G LTE and 5G NR, the impact of local infrastructure, and common gotchas like network prioritization and APN settings. Get the full picture before you buy.
Charlotte Davies
Destination GuidesChina Travel eSIM: Coverage, Data and App Access Checks
Getting online in China requires more than just a data plan. From navigating the Great Firewall to finding reliable Wi-Fi in co-working spaces, an eSIM is your best bet for staying connected without the hassle of a local SIM. Here's what I've learned from years on the road.
Charlotte Davies
Destination GuidesUSA eSIM: Your Essential Guide to Affordable Data for American Travel 2026
Forget the usual US data headaches. Getting online in America, whether you're a tourist or a long-term digital nomad, doesn't have to break the bank. An eSIM is often your best bet for affordable, reliable connectivity, cutting through the confusing carrier landscape to keep you connected from Brooklyn to Burbank.
Charlotte Davies
Destination GuidesHungary's Hidden Charms: 15 Facts for the Savvy Traveler 2026
Planning a trip to Hungary? Beyond the Danube and goulash, this Central European gem holds countless surprises. Dive into 15 fascinating facts about its rich history, unique language, vibrant culture, and practical tips that will enhance your visit, from navigating Budapest's districts to understanding local customs. Prepare to see Hungary through a seasoned traveler's eyes.
Charlotte Davies
Savings & ComparisonsCellesim vs. Nomad eSIM: Your Practical Pick for Travel Data 2026
For years on the road, I've seen countless data plans come and go. When it comes to Cellesim and Nomad eSIM, the choice often boils down to subtle but critical differences in coverage, pricing structure, and how they handle support when things inevitably go sideways. Let's break down what truly matters for your next extended stay.
Charlotte Davies
eSIM 101 / Tech HubAT&T eSIM Activation: Seamless Setup for Family Travel Abroad 2026
Juggling passports, keeping track of small humans, and making sure everyone's device is connected without breaking the bank is the secret sauce to a happy family trip. This guide walks you through activating your AT&T eSIM for international travel, ensuring your devices, and more importantly, the kids' iPads, stay online.
Charlotte Davies
Savings & ComparisonsCellesim vs. Telkomsel eSIM 2026: Indonesia Data, No Rip-Offs
Heading to Indonesia? Don't get caught out by dodgy Wi-Fi or overpriced local SIMs. This frank comparison breaks down Cellesim versus Telkomsel eSIMs, showing you how to get reliable data without burning a hole in your rupiah budget. We're talking real costs, real coverage, and zero tourist traps.
Charlotte Davies