Mobile Phone Guides & Advice

Clear, practical guides and advice to help you understand mobile phone features, avoid common pitfalls, and choose with confidence.

All Specs explained Buying advice

What Storage Size Do I Need on a Phone? 128GB vs 256GB vs 512GB Explained

Last reviewed: July 2026

Storage is one of the few things about a phone you cannot change after you buy it, and the difference between sizes can add £100 or more to the price. This guide explains what actually uses yo...
What Is a Good Data Allowance? How Much Mobile Data Do You Actually Need?

Last reviewed: March 2026

Choosing the right data allowance is one of the most practical decisions when picking a phone contract. Too little and you risk overage charges or reduced speeds. Too much and you are paying every m...
How to Keep Your Number When Switching Mobile Networks

Last reviewed: March 2026

Getting a new pay monthly phone does not mean losing your mobile number or risking unexpected charges. In the UK, you can switch networks, keep your number using a PAC code, or cancel your contract...

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