10 Best 5G Unlimited Data SIM Only Deals in the UK 2025
Updated on 26/07/2025
#1
Recommended
Free Shipping
- 3 UK SIM card with 24-month unlimited 4G/5G data access on a reliable network.
- Easy activation with no contracts or credit checks; no personal ID required.
- Triple-sized SIM format compatible with routers, tablets, laptops, and other devices; supports tethering and mobile hotspots.
- Designed for seamless performance in various activities, including remote work, streaming, and gaming without speed throttling.
Read More
- 3 UK SIM card with 24-month unlimited 4G/5G data access on a reliable network.
- Easy activation with no contracts or credit checks; no personal ID required.
- Triple-sized SIM format compatible with routers, tablets, laptops, and other devices; supports tethering and mobile hotspots.
- Designed for seamless performance in various activities, including remote work, streaming, and gaming without speed throttling.
#2
Value for Money
Free Shipping
- Unlimited 5G data for 12 months with a one-time payment and no recurring fees.
- Easy setup: insert the SIM for instant connectivity, no activation required.
- Reliable connectivity backed by the UK's leading network.
- Compatible with various devices including phones, tablets, and IoT; no voice or text capabilities.
- Dedicated support available via email with your SIM and order reference.
- 1TB/month of data use on EE’s UK network, with restrictions on excessive use.
Read More
- Unlimited 5G data for 12 months with a one-time payment and no recurring fees.
- Easy setup: insert the SIM for instant connectivity, no activation required.
- Reliable connectivity backed by the UK's leading network.
- Compatible with various devices including phones, tablets, and IoT; no voice or text capabilities.
- Dedicated support available via email with your SIM and order reference.
Read More
#3
Free Shipping
- Unlimited data renewed monthly until July 8, 2027 for a one-time payment.
- Hassle-free 4G and 5G connectivity with no setup required.
- Compatible with various devices, including smartphones, tablets, and IoT devices.
- Access 1000GB per month with a data-only SIM card; no calls or texts.
- Dedicated customer support available when needed.
- No contracts or recurring fees for data services.
Read More
- Unlimited data renewed monthly until July 8, 2027 for a one-time payment.
- Hassle-free 4G and 5G connectivity with no setup required.
- Compatible with various devices, including smartphones, tablets, and IoT devices.
- Access 1000GB per month with a data-only SIM card; no calls or texts.
- Dedicated customer support available when needed.
- No contracts or recurring fees for data services.
#4
20% Off
Free Shipping
- Unlimited data available until November 8, 2026 for a one-time fee.
- Plug and play functionality for quick 4G and 5G connectivity with no setup required.
- Reliable connectivity on the UK's leading network for business use.
- Compatible with various devices including smartphones, tablets, laptops, and IoT devices.
- No contracts or recurring fees required for data services.
Read More
- Unlimited data available until November 8, 2026 for a one-time fee.
- Plug and play functionality for quick 4G and 5G connectivity with no setup required.
- Reliable connectivity on the UK's leading network for business use.
- Compatible with various devices including smartphones, tablets, laptops, and IoT devices.
- No contracts or recurring fees required for data services.
#5
Free Shipping
- Unlimited 4G/5G data included, valid for one month after first use.
- Easy activation with no contracts, commitments, or credit checks required.
- Offers 25GB of data for free roaming across 47 countries.
- Triple-sized SIM format compatible with all O2 or unlocked devices, including routers, tablets, and laptops.
- High-speed performance ideal for working, streaming, gaming, and social media use.
Read More
- Unlimited 4G/5G data included, valid for one month after first use.
- Easy activation with no contracts, commitments, or credit checks required.
- Offers 25GB of data for free roaming across 47 countries.
- Triple-sized SIM format compatible with all O2 or unlocked devices, including routers, tablets, and laptops.
- High-speed performance ideal for working, streaming, gaming, and social media use.
#6
Free Shipping
- Pre-loaded with O2 SIM offering unlimited calls, texts, and 4G/5G data in the UK.
- Includes 25GB of data with free roaming throughout the EU.
- Convenient prepaid 30-day SIM card that requires no top-ups.
- SIM card available in all sizes: Nano, Micro, and standard.
- No contracts, commitments, or credit checks needed.
Read More
- Pre-loaded with O2 SIM offering unlimited calls, texts, and 4G/5G data in the UK.
- Includes 25GB of data with free roaming throughout the EU.
- Convenient prepaid 30-day SIM card that requires no top-ups.
- SIM card available in all sizes: Nano, Micro, and standard.
- No contracts, commitments, or credit checks needed.
#7
Free Shipping
- Unlimited UK data and minutes, including unlimited EU calls from the UK
- 25GB of EU international data roaming with unlimited calls
- Preloaded plan valid for 30 days without hidden fees or contracts; renewal available
- Uncapped download speeds on O2's network, suitable for portable WiFi hotspots and unlocked devices
Read More
- Unlimited UK data and minutes, including unlimited EU calls from the UK
- 25GB of EU international data roaming with unlimited calls
- Preloaded plan valid for 30 days without hidden fees or contracts; renewal available
- Uncapped download speeds on O2's network, suitable for portable WiFi hotspots and unlocked devices
#8
Free Shipping
- 80GB of preloaded data, renewed monthly until January 2027, with a one-time payment.
- Plug & play for 4G and 5G connectivity without initial setup.
- Compatible with smartphones, tablets, laptops, and various IoT devices.
- Dedicated email support for business customers available.
- No contracts or recurring fees required for data services.
- Versatile triple-cut SIM card fits Standard, Micro, and Nano sizes.
Read More
- 80GB of preloaded data, renewed monthly until January 2027, with a one-time payment.
- Plug & play for 4G and 5G connectivity without initial setup.
- Compatible with smartphones, tablets, laptops, and various IoT devices.
- Dedicated email support for business customers available.
- No contracts or recurring fees required for data services.
- Versatile triple-cut SIM card fits Standard, Micro, and Nano sizes.
#9
22% Off
Free Shipping
- Vodafone SIM Card with unlimited 4G/5G data, valid for one month from activation.
- No contracts or commitments required. Activation is straightforward; no credit checks or personal identification needed.
- Triple-sized SIM card compatible with various Vodafone or unlocked devices, including routers, tablets, and smartphones. Supports tethering and mobile hotspots.
- Offers high-speed performance suitable for working from home, streaming, gaming, and social media without speed limitations.
Read More
- Vodafone SIM Card with unlimited 4G/5G data, valid for one month from activation.
- No contracts or commitments required. Activation is straightforward; no credit checks or personal identification needed.
- Triple-sized SIM card compatible with various Vodafone or unlocked devices, including routers, tablets, and smartphones. Supports tethering and mobile hotspots.
Read More
#10
Free Shipping
- Easily activate your SIM by scanning the provided QR code for 6 months of 4G & 5G data, with activation completed in 1 business day.
- Renew your data plan to maintain uninterrupted connectivity.
- Compatible with a variety of devices including smartphones, tablets, and smart home products.
- Customer support available via email for connection issues.
- No contracts or recurring fees for data services.
- Designed for UK data usage with a monthly allowance of 600GB; this SIM card does not support voice calls or texts.
Read More
- Easily activate your SIM by scanning the provided QR code for 6 months of 4G & 5G data, with activation completed in 1 business day.
- Renew your data plan to maintain uninterrupted connectivity.
- Compatible with a variety of devices including smartphones, tablets, and smart home products.
- Customer support available via email for connection issues.
- No contracts or recurring fees for data services.
Read More
Data Only Sim Cards Pay As You Go
See All
4g Sim Card For Security Camera
See All
Data Only Sim Card For Mobile Wifi In France
See All
