📁 SIM Cards & eSIM
Everything about SIM cards, eSIM setup, SIM swaps, PUK codes and nano SIM sizes. Guides for all UK mobile networks on Android and iPhone.
What Is an eSIM and How Does It Work?
An eSIM is a digital SIM built into your phone. Learn how eSIM works, which UK networks and devices support it, and why businesses are switching to eSIM.
Read article →How to Set Up an eSIM on iPhone and Android
Step-by-step guide to setting up an eSIM on iPhone, Samsung and Google Pixel. Scan your QR code and get connected in minutes.
Read article →How to Do a SIM Swap on Any UK Network
A SIM swap lets you get a replacement SIM card while keeping your phone number. Here is how to do it for free on EE, Vodafone, O2 and Three.
Read article →What Is a PUK Code and How to Find It
A PUK code is an 8-digit key that unlocks your SIM after wrong PIN attempts. Find your PUK code on EE, Vodafone, O2, Three and giffgaff.
Read article →SIM Card Sizes Explained: Nano, Micro and Standard
There are three SIM card sizes: standard, micro and nano. All modern phones use nano SIM. Learn which size you need and what to do if yours does not fit.
Read article →Lost or Stolen SIM Card: What to Do
Lost or stolen SIM? Block it immediately by calling your network. Here is how to block your SIM on EE, Vodafone, O2 and Three, and get a replacement.
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