SIM-Only Guide

SIM-only plans can be a smart option for people who already own a handset and want more control over monthly cost. This guide explains what to compare before choosing one.

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This website is independent and not affiliated with O2, Three, EE, Tesco Mobile, or any other telecom brand. Provider names on this website are used only for general information and comparison context.

Why people choose SIM-only

To keep an existing phone
To avoid paying for a handset in the monthly bill
To keep the plan simpler and sometimes more flexible

What to compare

Data allowance
Monthly cost
Contract flexibility
Roaming relevance
Whether the provider feels suitable for your postcode and habits