Best 5G SIM Cards UK
Superfast Speeds at No Extra Cost
Experience next-generation mobile speeds with free 5G access on O2 and Vodafone networks. No premium charges, just blazing-fast connectivity.
Free 5G Access
No extra charges for 5G
Superfast Speeds
Up to 10x faster than 4G
Wide Coverage
200+ UK locations
Why Choose 5G SIM Cards?
Experience the future of mobile connectivity today
Lightning-Fast Downloads
Download movies in seconds, not minutes. 5G speeds reach up to 1Gbps - that's 10x faster than 4G. Perfect for streaming, gaming, and large file transfers.
Ultra-Low Latency
Near-instant response times make online gaming, video calls, and real-time applications smoother than ever. Experience lag-free connectivity.
Better Performance in Crowds
5G handles more devices simultaneously. Stay connected in busy areas like stadiums, concerts, and city centers without slowdowns.
Future-Proof Technology
Invest in the future of mobile connectivity. 5G networks are expanding rapidly across the UK, with new locations added monthly.
No Extra Cost
Unlike some providers, both GiffGaff and Lebara include 5G access at no additional charge. Get next-gen speeds at 4G prices.
Enhanced Mobile Experience
Stream 4K video without buffering, download apps instantly, and enjoy crystal-clear video calls. 5G transforms how you use your phone.
5G Network Coverage Comparison
GiffGaff 5G (O2 Network)
O2's 5G network covers over 100 towns and cities across the UK, with continuous expansion.
- ✓ Average 5G download speed: 150 Mbps
- ✓ Peak speeds up to 1Gbps in optimal conditions
- ✓ 5G coverage in all major UK cities
- ✓ Excellent indoor 5G penetration
- ✓ Free 5G access - no premium charges
- ✓ Automatic 5G/4G switching for seamless connectivity
Lebara 5G (Vodafone Network)
Vodafone's 5G network reaches over 200 locations across the UK with rapid expansion plans.
- ✓ Average 5G download speed: 185 Mbps
- ✓ Peak speeds exceeding 1Gbps
- ✓ Largest 5G coverage footprint in UK
- ✓ Strong 5G signal in business districts
- ✓ No extra cost for 5G access
- ✓ Compatible with all 5G-enabled devices
5G Requirements
What You Need for 5G
- 5G-Compatible Phone: You need a 5G-enabled device. Most phones from 2020 onwards support 5G, including iPhone 12 and later, Samsung Galaxy S20 and later, and Google Pixel 5 and later.
- 5G Coverage Area: You must be in an area with 5G coverage. Check O2 and Vodafone coverage maps to see if 5G is available in your location.
- 5G-Ready SIM: Both GiffGaff and Lebara SIM cards are 5G-ready out of the box. No special SIM required.
- 5G Enabled in Settings: Ensure 5G is enabled in your phone's network settings. It's usually on by default on 5G phones.
Ready to Experience 5G Speeds?
Get your free 5G SIM card today and enjoy superfast mobile connectivity at no extra cost