O2 Esim Data Packages Comparison
O2 eSIM data packages in 2026 offer flexible 5G plans from £6.99/mo for 12GB up to £16/mo for 300GB, with price rises capped at £2.50/year post-April 2026 on 12-month contracts. Data-only eSIMs suit tablets/laptops via QR activation, including EU roaming up to 25GB and O2 Priority perks. Simonly Club resells O2 eSIMs at competitive rates with no contracts for travel/business.
| Package | Data | Price/Mo | Contract | Key Perks |
|---|---|---|---|---|
| Big Data | 12GB | £6.99 | 12 months | 5G, EU roaming |
| Mid Tier | 40GB | £8 | 12 months | Priority tickets o2.co.uk |
| Unlimited | 300GB | £16 | 12 months | Unlimited calls/texts |
Which O2 eSIM Suits UK Daily Use?
O2’s 40GB at £8/mo delivers 5G across UK cities with 99% coverage, ideal for streaming/work. Data-only plans from Simonly Club start at 10GB/7 days for laptops, no voice needed. Activation takes 2 minutes on iPhone 14+ or Galaxy S23.
- EU roaming: 25GB allowance, fair-use post-Brexit.
- Tethering: Unlimited on all packs, hotspot speeds capped at 10Mbps.
- 2026 speeds: 100-500Mbps urban, 20Mbps rural.
How Do Data-Only Plans Compare for Devices?
Data-only O2 eSIMs via resellers like Simonly Club offer 50GB/30 days at £15, beating physical SIMs with instant QR swaps. No contract flexibility beats Vodafone’s £20/100GB. Perfect for iPads: APN “mobile.o2.co.uk”, auto-config on Android.
| Device Plan | Data/Validity | Price | Networks |
|---|---|---|---|
| Tablet | 20GB/30 days | £12 | O2 5G core |
| Laptop | 100GB/90 days | £28 | Full UK 4G/5G |
| Travel | 10GB/7 days | £7 | EU included |
What Roaming Benefits in Europe 2026?
O2 eSIMs include 25GB EU roaming on mid-tier plans, using local partners like Vodafone ES/Orange FR at 5G speeds. Post-2026 hikes, reseller deals add unlimited Europe at £22/20GB. No daily caps, unlike Three’s 12GB limit.
- Activation abroad: QR pre-download, connects on landing.
- Fair use: 30GB/mo EU, then throttled to 384Kbps.
- Coverage: 190+ countries via partners, 90-day validity.
Why Switch to O2 eSIM Over Physical SIM?
eSIMs enable dual-SIM on one device, profile swaps without ejection, and security via encryption. O2’s 2026 plans save 20% vs pay-as-you-go with upgrades anytime. Keep number portable, track via My O2 app for data usage. simonly.club
Tasnima Tabassum Ema is the Founder and Lead Data Analyst at eSIM Expart. Driven by her own costly roaming nightmares, she built the site to save fellow travelers money. She specializes in rigorous, real-world testing and calculating the true cost per Gigabyte ($/GB) to ensure you always get the cheapest, most reliable connection.
