O2 Unlimited SIM deals

O2 Unlimited SIM — 12 months

Unlimited

5G data

12 months

on O2 SIM Only Classic Plan

£35.00 a month

SIM Only Classic Plan 5G Unlimited Calls & Texts

Buy now

O2 Unlimited SIM — 12 months

Unlimited

5G data

12 months

on O2 SIM Only Plus Plan

£36.99 a month

SIM Only Plus Plan 5G Unlimited Calls & Texts

Buy now

O2 Unlimited SIM — 12 months

Unlimited

5G data

12 months

on O2 SIM Only Ultimate Plan

£41.99 a month

SIM Only Ultimate Plan 5G Unlimited Calls & Texts

Buy now

This website is supported by our visitors. We may earn affiliate commission when you buy through links on our site.