I lost my x2-01

To help us assist you, please provide more information:

1) Decribe the issue you are having in detail. For example if its with a specific piece of equipment, include the make and model.
2) When was it last working normally? Since then, did you add/remove any software or hardware?
3) What steps have you already tried to resolve the problem? (rebooted, searched google, etc)

Contact your cell phone company see if they can track it.