Mobile Sim Deals
Flexible SIM only deals
Stay connected for less
Choose from our best SIM only packages and enjoy unlimited calls & texts with generous 4G/5G data on the UK’s top networks. Keep your phone and get a cheap SIM card only contract.
Roaming in 4 destinations
Use up to 30 GB of your allowance at no extra cost in 4 destinations. Fair usage terms apply.
Included destinations
- Austria
- Bulgaria
- Cyprus
- Denmark
eSIM compatible
An eSIM is a digital SIM that lets you activate a mobile plan without using a physical SIM card.
Before ordering, check that your device supports eSIM and is unlocked for the selected network.
Special offers
O2 6GB
Full contract costs are calculated using the current monthly price. They do not take into account annual price hikes from this provider.
*Varying factors can affect your average speed. Average speeds are achievable for 50% of customers between 8-10pm. We encourage you to check your likely speed with the provider.
Vodafone Red 2GB
Full contract costs are calculated using the current monthly price. They do not take into account annual price hikes from this provider.
*Varying factors can affect your average speed. Average speeds are achievable for 50% of customers between 8-10pm. We encourage you to check your likely speed with the provider.
O2 SIM Low User
Full contract costs are calculated using the current monthly price. They do not take into account annual price hikes from this provider.
*Varying factors can affect your average speed. Average speeds are achievable for 50% of customers between 8-10pm. We encourage you to check your likely speed with the provider.
Cost breakdown
Your payments
Billing details
How are price rises calculated?
Some providers set annual price rises to cover predicted changes in service costs. This is usually linked to inflation, but from January 2025 they have to tell you the exact amount upfront.
In our breakdown, we’ve assumed your first bill will be next month, and your billing date falls after the date any price rises come into place.
eSIM compatible
An eSIM is a digital SIM that lets you activate a mobile plan without using a physical SIM card.
Before ordering, check that your device supports eSIM and is unlocked for the selected network.
Cost breakdown
Your payments
Billing details
How are price rises calculated?
Some providers set annual price rises to cover predicted changes in service costs. This is usually linked to inflation, but from January 2025 they have to tell you the exact amount upfront.
In our breakdown, we’ve assumed your first bill will be next month, and your billing date falls after the date any price rises come into place.
Roaming in 4 destinations
Use up to 30GB of your allowance at no extra cost in 4 destinations. Fair usage terms apply.
Included destinations
- Austria
- Bulgaria
- Cyprus
- Denmark
eSIM compatible
An eSIM is a digital SIM that lets you activate a mobile plan without using a physical SIM card.
Before ordering, check that your device supports eSIM and is unlocked for the selected network.
Cost breakdown
Your payments
Billing details
How are price rises calculated?
Some providers set annual price rises to cover predicted changes in service costs. This is usually linked to inflation, but from January 2025 they have to tell you the exact amount upfront.
In our breakdown, we’ve assumed your first bill will be next month, and your billing date falls after the date any price rises come into place.
Roaming in 4 destinations
Use up to 30GB of your allowance at no extra cost in 4 destinations. Fair usage terms apply.
Included destinations
- Austria
- Bulgaria
- Cyprus
- Denmark
eSIM compatible
An eSIM is a digital SIM that lets you activate a mobile plan without using a physical SIM card.
Before ordering, check that your device supports eSIM and is unlocked for the selected network.

benefits of sim only deals
Why choose a SIM only plan?
SIM only plans offer a cost-effective way to stay connected without paying for a handset. Enjoy generous data, minutes, and texts at a lower monthly cost while keeping the flexibility to upgrade or switch easily.
- Lower monthly cost compared to traditional contracts
- Keep your existing phone
- Flexible plans with generous data options
- Short-term commitment, more freedom
- Choose from multiple network options
How to get started
Easy setup in minutes
Pick your plan
Order online or by phone
03333 055 888. We’ll collect the essentials, like your PAC code & delivery details.
Receive your SIM
Activate & enjoy
Why choose Xinix for your SIM plan?
Keep your number
All major networks
5G at no extra cost
No hidden charges
Account management
Responsive support
FAQ