White paper
V640i
2
October 2007
This document is published by Sony Ericsson
Mobile Communications AB or its local affiliated
company, without any warranty*. Improvements
and changes to this text necessitated by
typographical errors, inaccuracies of current
information or improvements to programs and/or
equipment, may be made by Sony Ericsson
Mobile Communications AB at any time and
without notice. Such changes will, however, be
incorporated into new editions of this document.
Printed versions are to be regarded as temporary
reference copies only.
*All implied warranties, including without limitation
the implied warranties of merchantability or fitness
for a particular purpose, are excluded. In no event
shall Sony Ericsson or its licensors be liable for
incidental or consequential damages of any
nature, including but not limited to lost profits or
commercial loss, arising out of the use of the
information in this document.
This White paper is published by:
Sony Ericsson Mobile Communications AB,
SE-221 88 Lund, Sweden
Phone: +46 46 19 40 00
Fax: +46 46 19 41 00
www.sonyericsson.com/
© Sony Ericsson Mobile Communications AB,
2007. All rights reserved. You are hereby granted
a license to download and/or print a copy of this
document.
Any rights not expressly granted herein are
reserved.
First edition (October 2007)
Publication number: 1204-2880.1
Preface
Purpose of this document
This White paper will be published in several revisions as the phone is developed. Therefore, some of the
headings and tables in this document contain limited information. Additional information and facts will be
forthcoming in later revisions.
The aim of this White paper is to give the reader an understanding of the main functions and features of
this phone.
People who can benefit from this document include:
• Operators
• Service providers
• Software developers
• Support engineers
• Application developers