Setting up an Android phone on the O2 network is described below. Note that the phone might be different brands however the operating system is the same being an Android. You can follow the instructions below to connect your phone.
APN Settings UK
If you are in the UK and you wish to setup your APN on your mobile phone then the instruction have been listed below. The APN settings are show on a Iphone 6 in pictures so you can understand the process of setting up the APN on your Iphone or any other phone for that matter.