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Exclusive SIM only offers

One SIM. Two networks. Better signal.

Our Vodafone SIM connects to both Vodafone and Three - giving you stronger coverage automatically.

  • Over 99% UK coverage, with 5G as standard
  • Seamless switching - your SIM picks the strongest signal (Vodafone or Three)
  • Future-proof - backed by £11bn+ in 5G investment
  • Free delivery
Select a plan
First 2-months Free
Vodafone Unlimited SIMO
Calls & SMS
Unlimited
Data
Unlimited
Monthly
£15.00
Contract
24-months
Price information
First 2 months free, then £15.00 per month for 22 months, then £34.95 thereafter.
Starting in 2026, your monthly price will increase by £1.75 every year on 1st April.
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If you're coming back to Onestream, there may be a couple of things we'll need to review first. Please call us on 0300 3032184 and one of our team will be happy to talk you through the next steps.