Three Mobile 12GB Data Only UK SIM 365 Days

Best Data-Only Europe SIM with a Year Validity: Three Mobile 12GB Data Only UK SIM – 365 Days

This long-term Three Mobile UK SIM is ideal for light data users who want reliable internet throughout the year without contracts or monthly payments. With 12GB of data, valid for 365 days, and full 5G access, this SIM is perfect for travelers who visit the UK multiple times, remote workers needing a backup, or anyone who wants a simple, prepaid solution. It supports hotspot sharing and works across the UK and 70+ global roaming destinations.

Key Features

Why Activate Three Mobile 12GB Data Only UK SIM 365 Days?

1. Ideal for Low-Usage Travelers

This plan is great for light data tasks like checking email, maps, or social media. It's ideal for those who visit the UK occasionally and want a SIM that lasts all year without constant renewals.

2. Year-Long Connectivity with One Purchase

Enjoy 12GB of data valid for 365 days. You’ll get reliable access without needing to top up every month, which is ideal for minimal-use scenarios like web searches, online banking, or reading the news.

3. Perfect for Backup Internet

Keep this SIM as a backup plan for emergencies. Whether your primary connection fails or you need internet while traveling, this SIM provides a dependable solution.

4. Popular Choice for Travelers

Trusted by thousands, Three Mobile UK offers fast speeds, wide coverage, and excellent support. It’s a smart pick for tourists, students, and remote workers who want data-only access without complications.

5. Tethering for Work or Travel

Use your phone as a hotspot to share your data with other devices. Perfect for working from your laptop or streaming when Wi-Fi isn’t available.

6. No Contracts, No Stress

This prepaid SIM is contract-free, with no auto-renewals or hidden charges. Just insert, activate, and enjoy up to one year of flexibility.

Supported Countries for Roaming

Aland Islands, Austria, Azores, Balearic Islands, Belgium, Bulgaria, Canary Islands, Croatia, Cyprus, Czech Republic, Denmark, Estonia, France, French Guiana, Germany, Gibraltar, Greece, Guadeloupe, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy, Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Madeira, Malta, Martinique, Mayotte, Netherlands, Norway, Poland, Portugal, Reunion, Romania, Saint Barthelemy, Saint Martin, San Marino, Slovakia, Slovenia, Spain, Sweden, Switzerland, Vatican City, Australia, Brazil, Chile, Colombia, Costa Rica, El Salvador, Guatemala, Hong Kong, Indonesia, Israel, Macao, New Zealand, Nicaragua, Panama, Peru, Puerto Rico, Singapore, Sri Lanka, USA, Uruguay, US Virgin Islands, Vietnam, United Kingdom.

Supported Devices

iPhones: iPhone 13 Pro Max, iPhone 13 Pro, iPhone 13 mini, iPhone 13, iPhone 12 Pro Max, iPhone 12 Pro, iPhone 12 mini, iPhone 12, iPhone 11 Pro Max, iPhone 11 Pro, iPhone 11, iPhone XS, iPhone XS Max, iPhone XR, iPhone SE 2 (2020);
Google Pixel: Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL, Pixel 4, Pixel 4a, Pixel 4 XL, Pixel 5, Pixel 6, Pixel 6 Pro;
HONOR: Magic 3, Magic 3 Pro, Magic 3 Pro+, HONOR 50;
Huawei: P40, P40 Pro, Mate 40 Pro;
Nuu: X5;
Oppo: Reno 5 A, A55s, Reno 6 Pro 5G, Find X3 Pro;
Rakuten: Mini, Big, Big S;
Samsung Galaxy: Fold, Fold 2, Fold 3 5G, Z Flip, Z Flip 3 5G, Z Flip 3 5G Fold, S20, S20+, S20 Ultra, S21 5G, S21+ 5G, S21 Ultra 5G, S22, S22+, S22 Ultra, Note20, Note20 Ultra;
Sony: Xperia 10 III Lite;
Sharp: AQUOS sense4 lite;
Fairphone: Fairphone 4;
iPads: iPad Pro 11, iPad Pro 12.9, iPad Air (3rd Gen or later), iPad (7th Gen or later), iPad mini (5th Gen or later).
If your device is not listed here, it may be incompatible. Please check with your device manufacturer.

How to Activate the SIM

• Insert the SIM card into your device

• Follow the configuration steps provided in the pack

• Use instantly once activated

Note: The eSIM version is coming soon.

Frequently Asked Questions

1. How much data is included?

This SIM includes 12GB of data that can be used any time over a 365-day validity period.

2. Can I use this SIM outside the UK?

Yes, it supports roaming in 70+ international destinations. Standard roaming terms apply.

3. Does this SIM support calling and texting?

No. This is a data-only SIM. It does not include voice minutes or SMS.

4. Is hotspot sharing allowed?

Yes. You can use this SIM to share your data via hotspot with other devices.

5. Can I recharge or top up after the 12GB is used?

No. Once the 12GB is consumed, the SIM cannot be recharged. A new SIM must be purchased.

6. Will the data expire if unused?

Yes. The data is valid for 365 days from activation. Unused data expires after that.

7. Is this a physical SIM or eSIM?

This is a physical SIM card. The eSIM version is expected soon.