Legal information
Sony ST21i/ST21a
This User guide is published by Sony Mobile Communications AB or its local affiliated company, without any
warranty. Improvements and changes to this User guide necessitated by typographical errors, inaccuracies of
current information, or improvements to programs and/or equipment, may be made by Sony Mobile
Communications AB at any time and without notice. Such changes will, however, be incorporated into new
editions of this User guide.
© 2012 Sony Mobile Communications AB. All rights reserved.
Publication number: 1265-3199.3
Your mobile phone has the capability to download, store and forward additional content, for example,
ringtones. The use of such content may be restricted or prohibited by rights of third parties, including but not
limited to restriction under applicable copyright laws. You, and not Sony, are entirely responsible for additional
content that you download to or forward from your mobile phone. Prior to your use of any additional content,
please verify that your intended use is properly licensed or is otherwise authorized. Sony does not guarantee
the accuracy, integrity or quality of any additional content or any other third party content. Under no
circumstances will Sony be liable in any way for your improper use of additional content or other third party
content.
This User guide may reference services or applications provided by third parties. Use of such programming or
services may require separate registration with the third party provider and may be subject to additional terms
of use. For applications accessed on or through a third-party website, please review such websites’ terms of
use and applicable privacy policy in advance. Sony does not warrant or guarantee the availability or
performance of any third-party websites or offered services.
Remove the back cover to see regulatory information such as the CE mark.
All product and company names mentioned herein are the trademarks or registered trademarks of their
respective owners. Any rights not expressly granted herein are reserved. All other trademarks are property of
their respective owners.
Visit www.sonymobile.com for more information.
All illustrations are for illustration purposes only and may not accurately depict the actual phone.
This product is protected by certain intellectual property rights of Microsoft. Use or distribution of such
technology outside of this product is prohibited without a license from Microsoft.
Content owners use Windows Media digital rights management technology (WMDRM) to protect their
intellectual property, including copyrights. This device uses WMDRM software to access WMDRM-protected
content. If the WMDRM software fails to protect the content, content owners may ask Microsoft to revoke the
software's ability to use WMDRM to play or copy protected content. Revocation does not affect unprotected
content. When you download licenses for protected content, you agree that Microsoft may include a
revocation list with the licenses. Content owners may require you to upgrade WMDRM to access their content.
If you decline an upgrade, you will not be able to access content that requires the upgrade.
This product is licensed under the MPEG-4 visual and AVC patent portfolio licenses for the personal and non-
commercial use of a consumer for (i) encoding video in compliance with the MPEG-4 visual standard
("MPEG-4 video") or the AVC standard ("AVC video") and/or (ii) decoding MPEG- 4 or AVC video that was
encoded by a consumer engaged in a personal and non-commercial activity and/or was obtained from a video
provider licensed by MPEG LA to provide MPEG-4 and/or AVC video. No license is granted or shall be implied
for any other use. Additional information including that relating to promotional, internal and commercial uses
and licensing may be obtained from MPEG LA, L.L.C. See http://www.mpegla.com. MPEG Layer-3 audio
decoding technology licensed from Fraunhofer IIS and Thomson.
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