Live Mobile Broadband deal · United Kingdom
Three — Advanced 100GB SIM
5G speeds up to 150 Mbps avg download · 24-month contract · Three.co.uk
Price now
£18.00
/mo
£23.00/mo save £5.00/mo· for the first 6 months
Setup fee
Free
Contract
24 mo
Speed
150 Mbps
Reviews
4.2★ · 1,200
Live data refreshed 29/07/2026, 20:13:28 · always confirm final price on the provider's website.
Active discounts & promos
- Half Price for 6 MonthsNew customers can get 50% off the plan price for the first 6 monthsExpires 31 Dec 2026
What's included
- ✓ 100GB of 5G data
- ✓ Unlimited minutes and texts
- ✓ 5G access as standard
- ✓ Personal hotspot allowance
- ✓ Roam in 49 destinations at no extra cost
Best for
Heavy data users who need fast speeds and a large data allowance
Buying tip
Make sure to check the coverage in your area before signing up to a 24-month contract
Pros
- +Fast 5G speeds
- +Large data allowance
- +No upfront cost
- +Roam in 49 destinations at no extra cost
- +5G as standard
Cons
- −Contract length is 24 months
- −Exit fees apply if you cancel early
Compare similar plans
| Provider · Plan | £/mo | Note |
|---|---|---|
| EE — EE 100GB SIM Plan | £25.00 | Similar data allowance but with a higher price point |
| Vodafone — Vodafone 100GB Red Plan | £20.00 | Similar plan with a lower price point but with some restrictions on data speeds |
| O2 — O2 100GB SIM Plan | £22.00 | Similar plan with a lower price point and some extra perks like Disney+ |
More Mobile Broadband offers we track
Ranked by similarity to this plan and closeness in monthly cost — duplicates collapsed.
- VodafoneVodafone 100GB Red PlanSimilar plan with a lower price point but with some restrictions on data speeds£20.00/mo61% match
- O2O2 100GB SIM PlanSimilar plan with a lower price point and some extra perks like Disney+£22.00/mo58% match
- EEEE 100GB SIM PlanSimilar data allowance but with a higher price point£25.00/mo54% match