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Your Mozillion plan includes:
Fastest uncapped 5G speeds
No mid contract price rises
On the UK’s Best Network
No credit check
EU roaming in 41 countries
And the winner is: you.
Your calls, data, streaming and gaming sizzle across the UK's 2025 Best Network winner
Firing up your phone
Buckle up. Unlike most, Mozillion features uncapped 5G speeds up to 10 x faster than 4G.
Plan details
All our plans have the best of everything:
- Uses the UK’s Best Network for 12 years running
- Rocket fast uncapped 4G & 5G speeds
- EU roaming includes local landline and mobile calls and texts, within the same country only. Data allowances - 250MB with the 1GB data plan, 750MB with the 3GB data plan, 2.5GB with the 10GB data plan, 7.5GB with the 30GB data plan, 25GB with the 80GB, 100GB, 500GB and Unlimited data plans.
- No credit checks for SIM only plans
- No throttling of data, so great for 4K gaming, ultra-high-definition video, ultrafast uploads and downloads
- 4G and WiFi calling supported
- Hotspot enabled
- Capped spend, so no unwelcome bills
- No mid-contract price rises
- Unlimited Data Fair Use Policy: We may slow down your speeds if you use over 500GB per month. For full details see our terms.
Your phone plan explained
- Uses the UK’s Best Network for 12 years running
- Rocket fast uncapped 4G & 5G speeds
- EU roaming includes local landline and mobile calls and texts, within the same country only. Data allowances - 250MB with the 1GB data plan, 750MB with the 3GB data plan, 2.5GB with the 10GB data plan, 7.5GB with the 30GB data plan, 25GB with the 80GB, 100GB, 500GB and Unlimited data plans.
- No throttling of data, so great for 4K gaming, ultra-high-definition video, ultrafast uploads and downloads
- 4G and WiFi calling supported
- Hotspot enabled
- No mid-contract price rises
- Capped spend at £0, you can choose a spend cap by registering a payment method
- 24-month interest-free contract with Affirm*, one monthly bill for your phone and line rental
- After 24-months, choose a SIM only plan and keep your phone, or upgrade with a new phone and airtime plan
- Unlimited Data Fair Use Policy: We may slow down your speeds if you use over 500GB per month. For full details see our terms.
*Affirm is a form of credit. Credit subject to credit check. Terms apply. UK residents only, 18 and over with a bank account or a debit card. Credit is subject to a minimum spend, which may vary from time to time. Missed payments could affect your financial status.
Representative example: A £900 purchase might cost £75.00/mo over 12 months at 22% Representative APR. A down payment may be required. Mozillion Limited is the credit broker.
Device Compatibility Check
Make sure your phone supports our eSIM.
Most recent iPhone models (11 and newer), Samsung S20-S25 series, and Google Pixel devices are eSIM compatible.
To check other devices: dial *#06#. If an 'EID' number appears, you're all set.
Kill Your Bill: How it works
Shop away your phone bill.
Use our app at over 200 leading brands for the spending you already do. Get an instant reward to shrink or even wipe out your Mozillion bill every time, every month.
Pick your plan
Choose a Mozillion plan with Kill Your Bill included, and download our Mozillion app.
Open the app before you shop
Pick a gift card for where you're heading — Sainsbury's, Costa, ASOS, IKEA, and 220+ others.
Takes 10 seconds
Pay with the gift card as normal
Same shop. Same basket. Same total. Nothing changes except Mozillion fires a reward straight at your phone bill.
Watch your phone bill disappear
Rewards stack automatically. Credit rolls over if you go over. Most users hit £0 within their first month.
Avg. user hits £0 in week 3