Device guides for

HTC One X

Most searched guides

Ending active applications on my mobile phone Inserting a SIM into my mobile phone Choosing a language for my mobile phone Turning Wi-Fi on my mobile phone on or off

Getting started

Basic functions

Calls and contacts

Messaging

Office and leisure

Connectivity

Global online services

Troubleshooting

Specifications

Changing my mobile phone PIN

Want to change your PIN? It's easy, but you'll need to turn on use of PIN before you can change your PIN.