Cambodia
Instant data the moment you land. No physical SIM, no roaming bills.
What's included
- Works with all eSIM-compatible smartphones
- Hotspot sharing · no speed throttling
- 180 days to install — validity starts on first network connection
- No physical SIM, no roaming charges
Coverage
Get instant mobile data in Cambodia with a prepaid travel eSIM from GulfData. Whether you’re visiting Angkor Wat, exploring Phnom Penh, or traveling the country, stay connected across Phnom Penh, Siem Reap, and across Cambodia on the Smart network — all without roaming charges or hidden fees.
Choose your travel destination
Pick a mobile data plan for your trip.
One eSIM. The whole Gulf.
Land in Riyadh, drive to Dubai, fly to Doha — your data crosses all six GCC countries without re-activating. The plan no other eSIM brand leads with.
Why choose GulfData?
Simple, reliable mobile data — designed for travel across the Gulf.
24/7 Chat Support
Get help whenever you need it — before you travel or while you’re away.
Easy setup
Buy your plan, scan the QR code, and you’re connected in minutes.
Fast, reliable internet
High-speed data via trusted local networks across the GCC.
One eSIM for all your trips
Install once and reuse your eSIM — just add a new plan when you travel.
Get connected in minutes
Choose your plan, install your eSIM, and you’re online as soon as you land.
Choose your plan
Pick a destination and select the data plan that fits your trip.
Install your eSIM
Scan the QR code and install on your eSIM-compatible phone.
Connect when you arrive
Turn on the eSIM line and you’re connected on arrival.
Frequently Asked Questions about Cambodia eSIMs
Will the Cambodia eSIM work on my iPhone?
Yes, as long as you have an eSIM-capable, carrier-unlocked iPhone. That covers the iPhone XS, XR and every model released since, including all the SE, Pro and Pro Max versions. After buying, you'll be emailed a QR code; scan it in Settings to add the Cambodia eSIM as a second line alongside your normal SIM. This is a data-only travel eSIM, so it handles your mobile internet in Cambodia while your home number stays put for WhatsApp, iMessage and FaceTime over data. If you're unsure whether your iPhone is unlocked, ask your home carrier before you fly. Our 24/7 support team can also help you check compatibility before you buy.
Does this eSIM work on Samsung and other Android phones?
It does, on most recent eSIM-capable Android phones that are carrier-unlocked. That includes the Samsung Galaxy S20 and newer, plus the Z Fold and Z Flip range, Google Pixel 3 and later, and many other current Android models. You simply scan the QR code we email you, add the Cambodia eSIM as a data line, and you're ready for mobile internet on arrival. A few budget or region-locked handsets don't support eSIM, so it's worth confirming yours does before travelling to Cambodia. If you're not certain your phone is unlocked or eSIM-ready, our 24/7 support team can confirm compatibility before you commit to a plan.
Which mobile network does the Cambodia eSIM use?
The Cambodia eSIM connects to the Smart network, one of the country's leading mobile operators. That gives you fast 4G data across the main tourist areas, including Phnom Penh, Siem Reap and the temples of Angkor Wat. Because it's a local Cambodian network rather than international roaming, you get strong, reliable mobile internet at a flat prepaid rate with no roaming fees. The eSIM is data-only, so your data runs on Smart while calls and texts work through WhatsApp, FaceTime and other apps. You don't need to choose or configure the network manually; once you scan the QR code and connect on arrival, your phone registers on Smart automatically.
How good is coverage outside the main cities in Cambodia?
Coverage on the Smart network is strongest in and around Phnom Penh, Siem Reap and the Angkor Wat temple complex, where you'll get solid 4G for maps, ride-hailing and uploads. It extends well along Cambodia's major routes and to popular spots like Battambang, Sihanoukville and the southern coast near Kampot and Kep. As with any country, signal can thin out in remote jungle, on islands such as Koh Rong, and in mountainous areas, where speeds may drop or service becomes patchy. For a tourist itinerary built around Cambodia's main destinations, this travel eSIM gives dependable mobile internet. If you're heading well off the beaten track, download offline maps before you go.
How do I install and activate my Cambodia eSIM?
Setup takes just a couple of minutes. After purchase we email you a QR code; open your phone's mobile or cellular data settings, choose to add an eSIM or data plan, and scan that code. This installs the Cambodia eSIM as a second line next to your normal SIM. We recommend installing before you fly, while you have stable Wi-Fi. The plan's validity and data don't start counting until the eSIM first connects to the local Smart network in Cambodia, typically when you land and switch it on. From there, enable data roaming for the eSIM line only and you're online. Step-by-step instructions come with your email, and 24/7 support is on hand if you need a guiding hand.
Can I install the eSIM before I travel to Cambodia?
Yes, and we recommend it. Install the eSIM at home over Wi-Fi by scanning the QR code we email you, so everything is ready before you reach the airport. Installing early doesn't start the clock: your validity period and data allowance only begin when the eSIM first connects to the Smart network in Cambodia, usually as you land at Phnom Penh or Siem Reap airport and switch the line on. That means you can set it up days in advance without losing any data. When you arrive, just turn on the Cambodia eSIM line, enable its data, and you'll have mobile internet straight away, no hunting for a local tourist SIM kiosk.
Is the Cambodia eSIM cheaper than using roaming?
For most travellers, yes. A Cambodia travel eSIM gives you a flat prepaid price that you know upfront, with no roaming fees and no bill shock when you get home. Traditional roaming from your home carrier often charges premium daily rates or per-megabyte costs that climb quickly once you start using maps, social media and messaging in Cambodia. With our eSIM you pay once for a set data allowance on the local Smart network, and if you run low you simply top up with another plan rather than overpaying in advance. It also saves you queuing for a physical tourist SIM on arrival. You keep full control of your spending while enjoying fast local mobile internet.
How much data do I need for a week in Cambodia?
It depends on how you travel. For a week of light use, maps to find your way around Siem Reap, messaging, and occasional browsing, a smaller allowance often stretches comfortably across the trip. If you'll stream video, share lots of Angkor Wat photos and reels, or rely on the eSIM for hotspot and video calls, plan for noticeably more. As a rough guide, moderate daily use of navigation, social media and messaging tends to run around 500MB to 1GB a day. Hotel and cafe Wi-Fi in Phnom Penh and Siem Reap can ease the load. The good news with this prepaid Cambodia eSIM is you're never locked in: if you run low, just add a top-up plan.
Can I use WhatsApp and keep my normal number in Cambodia?
Absolutely. This is a data-only Cambodia eSIM, and apps like WhatsApp, FaceTime, iMessage and other VoIP services run perfectly over its mobile internet, so you can call and message as usual. Because your phone is dual-SIM, your normal number stays active on your primary SIM, meaning WhatsApp and your usual accounts keep working under the same number you always use. The trick is to switch off data roaming on your home line so it can't rack up expensive charges, and let the Cambodia eSIM carry all your data. You won't receive standard local voice calls or SMS on the eSIM itself, but for messaging, video and internet calls across Cambodia it has you fully covered.
Can I share my Cambodia data with a personal hotspot?
Yes, personal hotspot and tethering are fully supported. You can share your Cambodia eSIM's mobile internet with a laptop, tablet or a travel companion's phone, which is handy for getting work done from a Siem Reap cafe or keeping the family online from one plan. Just remember that anything you tether draws from the same data allowance, so streaming or large downloads over the hotspot will use it up faster. To turn it on, enable Personal Hotspot or Mobile Hotspot in your phone's settings while the eSIM line is your active data line. If your allowance starts running low, you can simply buy a top-up plan rather than paying inflated roaming rates.
What is the best eSIM for travelling in Cambodia?
The best Cambodia eSIM is one that gives you fast, reliable local data without roaming fees or fuss, which is exactly what this travel eSIM delivers. It runs on the Smart network, with strong 4G coverage across Phnom Penh, Siem Reap and Angkor Wat, plus the main tourist routes in between. You get instant QR setup you can complete before you fly, a flat prepaid price known upfront, hotspot support, and the freedom to top up if you need more data. Your normal number stays active for WhatsApp and FaceTime over data, and our 24/7 support is there throughout your trip. For most visitors, that combination makes it the simplest, best-value way to stay connected in Cambodia.
Still have questions? Contact GulfData support 24/7.






