BEST DEAL
United Kingdom
✓ Verified provider
O2 UK 125GB 30d
Instant activation
5GHotspotQR in 30s
125GBData
30dValidity
Provider Review
O2 Freesim eSIM Review 2026
Real prices, real activation, tested by our team. Below: every active O2 Freesim plan, an honest pros and cons summary, the activation walkthrough and answers to the most-asked questions.
O2 Freesim at a glance
- ›Countries: 1
- ›Active plans: 4
- ›Plans from: $12.50
- ›5G: Yes (selected plans)
- ›Hotspot: Most plans
- ›Activation: QR code, under 90 seconds
O2 Freesim eSIM plans overview
4 Plans · O2 Freesim
United Kingdom
✓ Verified provider
O2 UK 40GB 30d
Instant activation
5GHotspotQR in 30s
40GBData
30dValidity
United Kingdom
✓ Verified provider
O2 UK 25GB 30d
Instant activation
5GHotspotQR in 30s
25GBData
30dValidity
United Kingdom
✓ Verified provider
O2 UK 8GB 30d
Instant activation
5GHotspotQR in 30s
8GBData
30dValidity
Verdict
O2 Freesim pros and cons
Pros
- +Active plans in 1 country
- +Plans available from $12.50
- +5G available on selected plans
- +QR-code activation in under 90 seconds
- +Hotspot/tethering supported on most plans
Cons
- –Limited plan catalog compared to top brands
- –5G availability depends on local carriers
- –Customer support runs through the provider, not esimchart
About O2 Freesim
O2 Freesim ist das Pay-as-you-go-Angebot von Telefonica O2 UK mit eSIM-Option. Flexibler Daten-, Sprach- und SMS-Verbrauch ohne Vertragsbindung und EU-Roaming inklusive.
O2 Freesim is one of the eSIM providers we monitor on esimchart. Our editors track the catalog, validate prices and update the plan list multiple times per week.
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FAQ
Common questions about O2 Freesim
How does O2 Freesim work?
O2 Freesim sells prepaid eSIM data plans for travelers. You pick a plan, pay online, get a QR code by email, scan it on your phone, and you are online abroad in less than 90 seconds. No roaming charges, no SIM swap.
Is O2 Freesim reliable in 2026?
O2 Freesim is a verified affiliate partner on esimchart with active plans in 1 country. Connectivity quality depends on the local carrier they roam onto in each destination. We have not seen systemic activation issues in our 2026 tests.
O2 Freesim pricing: how much does it cost?
Pricing varies by country, data volume and validity. The cheapest active plan starts at $12.50. Prices on esimchart match the direct provider price exactly. We never apply a markup.
O2 Freesim vs other eSIM providers: what is different?
Compared to alternatives like Yesim, Simbye, eSIMania, Airalo or Holafly, O2 Freesim positions itself with its own coverage and price profile. Use our country pages to see how O2 Freesim prices stack up against other providers in the country you are travelling to.
How do I activate a O2 Freesim eSIM step by step?
1) Buy a plan on esimchart, you receive a QR code by email within seconds. 2) On iPhone go to Settings, Cellular, Add eSIM and scan. 3) On Android go to Settings, Connections, SIM Manager, Add eSIM. 4) Name the profile and enable Data Roaming. 5) Land at your destination and auto-connection happens within 1-2 minutes.
Does O2 Freesim support 5G and hotspot?
5G availability depends on the local carrier O2 Freesim roams onto in each country. Hotspot/tethering is enabled on most plans but a few cap or block it. Always check the plan details on the country page before purchase.