Do I have to complete the Spanish hotel pre-check-in form on my phone?

Not strictly, but in practice most travellers complete it on arrival day. Photograph your passport data page to your phone's local storage and keep booking references in one note, and the form takes a couple of minutes.

Can I install a Spain eSIM before I travel?

Yes, and it is recommended. The day count starts when the line first connects to a network in Europe, not when you scan the QR code. The QR code is valid for 30 days.

Best Spain eSIM 2026: The Check-In Paperwork Nobody Warns You About

Q: Can I tether a laptop to a Spain eSIM?

Yes, although not every handset handles tethering reliably, so one eSIM per phone is safer. For sustained tethering the unlimited plan is a noticeably better experience.

Q: Is there mobile signal on the Barcelona metro?

Stations and platforms on the main lines have coverage, while running tunnels drop in and out as on most metro systems. Screenshot your route rather than relying on live lookups inside the carriage.

peter

2026-08-10

Spanish mobile networks are among the best in Europe, and 5G in Madrid and Barcelona is genuinely dense. So the reason to sort out data before you fly is not coverage — it is paperwork.

Since December 2024, Spanish hotels, rentals, travel agencies and car hire firms have had to collect and file traveller data with the government's Ses.Hospedajes system: more than 40 fields for accommodation and over 60 for a vehicle rental. In practice, that has pushed a lot of properties toward emailing you an online pre-check-in form — passport number, issue and expiry dates, contact details, payment method — to be completed before you arrive. Without data on your phone, you fill it in standing at the desk.

This guide covers which Spain eSIM plan makes sense, plus the arrival-day tasks that now assume you are already online.

Spain eSIM 2026: the short answer

✅ Spain only, about a week of city travel: 10GB total or 1GB a day covers it comfortably.
✅ Spain plus Portugal, France or Italy: the same profile. It is provisioned for 42 European countries and switches networks at the border.
✅ Driving the white villages of Andalusia: download offline maps and take 2GB a day or unlimited.

Spanish itineraries are not data-hungry — free WiFi is everywhere and the cities are walkable. What catches people out is arrival day: the airport transfer, the check-in form, the taxi app, all crowded into the two hours before you have settled anywhere. The size of the plan matters less than being online the moment you land.

Spain eSIM — online on landing, no swap at the border

Works across Madrid, Barcelona and Andalusia, and connects to major local operators automatically when you cross into Portugal or France. Per-day plans throttle rather than cut off. QR code by email in about 10 minutes, with a refund guarantee if it will not activate.

See the Spain eSIM plans →

7–30 days · total data, per-day or unlimited

Why being online matters more in Spain now: the traveller data rules

This is the administrative change most travel guides have not caught up with. From 2 December 2024, accommodation and vehicle rental providers must gather and submit:

✅ Booking reference, check-in and check-out dates, number of guests
✅ Personal and identity document details for travellers
✅ Contact information and payment method details
✅ Around 40+ fields for a stay; 60+ for a car rental

Two consequences for you. Check-in takes longer, especially at small guesthouses in high season. And more properties now send a pre-arrival link, because it is the only way to get through the list without holding up the desk.

How to make it painless: photograph your passport data page and keep it in your phone's own storage rather than only in the cloud, and put every booking reference in one note. Then, when the pre-check-in link arrives, you can finish it in the taxi. All of which assumes a working connection the moment you clear customs — which is the actual argument for an eSIM here.

Spain eSIM vs local SIM vs roaming

Option	Working on landing?	Portugal / France	Best for
Spain eSIM (42 countries)	Yes, installed before you fly	Same profile, automatic	Almost every visitor
Spanish prepaid SIM	No — queue at a shop, passport required	EU roaming usually, terms vary	Longer stays
Roaming on your home plan	Yes	Yes, at a daily rate	Short business trips
Pocket WiFi	Only after collection	Depends on the package	Groups sharing one line

Both Barcelona (BCN) and Madrid (MAD) have operator shops airside, but the queues in summer are long and you will need your passport and a form. Given how much form-filling already waits for you at check-in, taking connectivity off the arrival-day list is worth more than the few euros you might save.

One security note worth stating plainly: pickpocketing in Barcelona is real, concentrated around La Rambla, metro line 3 and the Sagrada Família. An eSIM has no physical card to lose — a small thing, but replacing a plastic SIM abroad is more painful than people expect.

Spain eSIM plans: data and duration

✅ Total data: 10GB or 20GB; buy again when spent.
✅ Per day: 1GB, 2GB or 3GB, throttling to 128 kbps instead of cutting off.
✅ Unlimited: for laptop tethering or a family sharing one phone.
✅ Duration: 7 to 30 days from first connection in Europe.

A timing quirk worth knowing: the daily allowance resets at 00:00 UTC+0. Mainland Spain runs on UTC+2 in summer, so your fresh allowance lands at 2am local. Given that Spain eats late and stays out later, this catches people — run dry at 11pm and you are waiting three hours, not one.

How much will you use?

✅ Maps, tickets, messaging, browsing: 0.5–1GB a day
✅ Plus photo uploads and short video: 1–2GB a day
✅ Video on the AVE, video calls, tethering: 2GB+ a day, or unlimited

Long-distance travel in Spain means Renfe's AVE — Madrid to Barcelona in about two and a half to three hours, Madrid to Seville in around two and a half. Tickets live in the app and you scan a QR code at the barrier, so a phone with no data is not just inconvenient, it can keep you off the platform. Screenshot your ticket QR codes as a backup.

Spain eSIM coverage: cities, the AVE line and Andalusia

✅ Central Madrid and Barcelona: 5G is widespread, and metro stations have signal.
✅ Seville, Granada, Valencia: stable through the centres and tourist districts.
✅ Along the AVE lines: broadly covered, with drops in tunnels.
✅ Andalusian white villages and mountain roads: the real gaps. The roads inland from Ronda and the tracks around Cabo de Gata drop out. Download offline maps before you drive.

If the trip is really an Iberian or wider European tour, the Europe eSIM covers the same 42 countries — either profile carries the whole route.

How to install a Spain eSIM

Check your phone supports eSIM and is carrier-unlocked. Most iPhones from XS onward and recent Android flagships qualify.

Order and wait for the QR code email — about 10 minutes. It is valid for 30 days.

On WiFi, scan the code from Settings → Cellular → Add eSIM (iPhone) or Network → SIM manager (Android).

Name the line clearly and make sure data roaming is ON for it. This is behind most failed activations.

On landing, switch cellular data to the travel line and give it a minute to register.

Screenshots for each step: eSIM installation guide. eSIM does not work on iPads, tablets, contract-locked, modified, jailbroken or rooted devices.

Spain eSIM FAQ

Does a Spain eSIM work in Portugal and France?

Yes. The Spain eSIM covers 42 European countries including Portugal, France, Italy and Germany, connecting to local networks automatically at the border.

Do I have to complete the hotel pre-check-in form on my phone?

Not strictly, but in practice most travellers do it on arrival day. Photograph your passport page to your phone's local storage and keep booking references in one note, and the form takes a couple of minutes.

What happens when the data runs out?

Per-day plans throttle to 128 kbps without disconnecting and recover at 00:00 UTC+0. Total-data plans disconnect and need replacing.

Can I tether a laptop?

Yes, though not every handset handles it reliably, so one eSIM per phone is safer. For sustained tethering, unlimited feels considerably better.

Can I install it before I travel?

Yes, and you should. The day count starts at first connection in Europe, not when you scan the code.

Is there signal on the Barcelona metro?

Stations and platforms on the main lines have coverage; running tunnels drop in and out, as on most metro systems. Screenshot your route rather than relying on live lookups in the carriage.

Sort your Spain connectivity before you fly

Spain eSIM — scan before you go, land connected

✅ Refund guarantee if it will not activate — contact us before you write it off
✅ QR code by email in around 10 minutes, valid 30 days
✅ 7–30 days, total data, per-day or unlimited
✅ Support on LINE @peanutmo, 10:00–17:00 (UTC+8 Time Zone)

Choose your plan →