United Arab Emirates eSIM

The United Arab Emirates is a single federation of seven emirates, so a plan sold for the country is not a Dubai-only plan — but the wording that binds is the territory line on the offer itself, not the map in your head. Read it and confirm it names the country. Dubai, Abu Dhabi, Sharjah, Ras Al Khaimah and Fujairah all sit inside that territory. A crossing into Oman or Saudi Arabia is a different territory, and a country plan should not be assumed to continue there.

Effectively yes, for anything outdoors. Coastal highs run 40 to 45 degrees from June to September, the inland desert pushes toward 50, and Gulf humidity makes it heavier still; the dust-bearing shamal winds also peak around summer. Most of the day moves indoors — malls, museums, galleries — so a summer trip uses a phone in very different places from a winter one. November to March is the comfortable window, roughly 20 to 30 degrees and dry.

A stay of three or four days covers Dubai on its own — the Burj Khalifa decks, Al Fahidi, Palm Jumeirah and a beach afternoon. Five to seven adds Abu Dhabi properly, meaning the Grand Mosque, Qasr Al Watan and Louvre Abu Dhabi rather than a rushed day trip. Seven to ten lets you take in the rest of the country: Sharjah, the Hatta mountains, Ras Al Khaimah and the east coast. Set the validity in days against whichever of those shapes you are booking.

It depends what you want the days to feel like. Dubai is the base for beaches, nightlife and the headline towers, and its Metro makes getting around without a car easy. Abu Dhabi is calmer and culture-led — the Sheikh Zayed Grand Mosque, Qasr Al Watan, Louvre Abu Dhabi, Saadiyat Beach — but has no metro, so taxis and buses do the work. They are 140 kilometres apart, near enough that either can host a day trip to the other.

Not inside Dubai or Abu Dhabi — the Metro and taxis cover the first, taxis and buses the second. A car earns its keep on the trips outward: Abu Dhabi and back on Sheikh Zayed Road, the Hatta mountains, Sharjah at around 30 kilometres, Ras Al Khaimah at 110 to 115, or Fujairah on the east coast at about 120 kilometres and an hour and a half by the mountain road. Those are the legs worth downloading maps for.

Modest dress is expected in public — malls, souks and above all mosques, where covered shoulders and knees are the norm. Alcohol is served in licensed venues, typically hotels and restaurants that hold a licence, rather than sold everywhere. Sharjah is the strict outlier: it is dry, and that catches people who cross the 30 kilometres from Dubai for the day. None of this touches your data plan, but it does shape which emirate you choose to sleep in.

Both are places where the phone is far from a mast rather than misconfigured, so rule out the obvious first. Toggle flight mode to force a fresh registration, confirm the Emirates profile is still selected as the data line, and check that data roaming is permitted for that profile, since travel profiles usually rely on it. If it holds in Dubai and drops on a dune track or a mountain switchback, that is location, not the plan. Cache the route and the return leg before the tarmac ends.

Yes. WhatsApp stays linked to your usual number and runs on the eSIM's data. On a dual-SIM phone, your usual SIM can stay on for ordinary calls and texts. Your home carrier may charge for calls, texts or data on that line, so turn off data roaming there.

No. Horizon plans are data-only, with no phone number for calls or texts. Use apps such as WhatsApp or FaceTime over the eSIM's data, or keep your usual SIM on for ordinary calls and texts.

Yes. A travel eSIM connects to local networks as a roaming line, so turn on data roaming for the Horizon eSIM when you arrive. The plan is prepaid, so Horizon does not bill you after checkout. Keep data roaming off on your usual SIM to avoid charges from your home carrier.

You can buy more. If your plan supports a top-up, My eSIMs shows the data you can add to the same eSIM. If it does not, buy another United Arab Emirates plan and install it the same way.

It will if your phone supports eSIM and is not locked to your home carrier. Many recent iPhone and Android models do, but some regional versions do not, so check your exact model on the supported devices page before you buy.

No. Horizon fixed-data plans have no throttling. There is no daily limit that slows you down, so you can use your whole plan in one day if you need to. Your speed depends on the local network, your signal and how busy the network is. When your data allowance is used up, the plan stops rather than slowing down.

Yes. We always refund the full amount you paid when you request it, whether your eSIM is unused, partly used or fully used. There is no time limit for requesting a refund.