SIM only comparison
SIM only, with the small print in plain view
A SIM only plan is the cheapest way to keep a phone you already own. The differences that matter are the host network, roaming rules and what happens when the network is busy.
Rolling or 12 months term
Example SIM Provider
20–100GB
data per month
Extras depend on the provider and plan.
From £6/moDetails
12 months term
Example Unlimited SIM
Unlimited
data per month
Terms and tethering limits vary by provider.
From £18/moDetails
Keeping your number
Text PAC to 65075, hand the code to your new provider and the switch completes within a working day. Do not cancel your old plan yourself.
Read the switching guidePlaceholder dataExample plans. Structured tariff data, availability and affiliate links attach to each card later.