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1. DEFINITIONS

For purposes of this Agreement, the following terms will have the following meanings:

1.1 “DU Battery Saver” means the proprietary DU Apps Studio software products (in object code format only) delivered to User hereunder (including but not limited to the DU Battery Saver), together with any update or upgrade thereto, when and if made available to you by DU Apps Studio. The DU Battery Saver does not include Third-Party Software.

1.2 “Services” means the various services to which DU Apps Studio provides Users with access, including without limitation, the DU Battery Saver, DU Apps Studio websites, search services, personalized content and branded offering through its network of services that may be accessed through any various medium or device now known or hereafter developed.

1.3 “Third-Party Software” means the software of certain third parties that DU Apps Studio may deliver with the DU Battery Saver, including but not limited to widgets of certain third parties and independent developers.

1.4 “Use” means to cause amobile device to execute any machine-executable portion of the DU Battery Saver in accordance with the terms and conditions of this Agreement in connection with the execution of any machine-executable portion of the DU Battery Saver.

1.5 “User” means the legal entity or person who orders or downloads the DU Battery Saver and/or activates the Services.

2. PERSONAL NON-COMMERCIAL USE ONLY

2.1 Subject to the terms and conditions of this Agreement, DU Apps Studio hereby grants to Users a limited, non-exclusive, non-transferable, non-sublicensable license to use the DU Battery Saver for personal non-commercial purposes only and provides this non-commercial-use DU Battery Saver . DU Apps Studio also provides installation, un-installation, and related data services for Users, meaning that Users can independently choose to install, un-install, and use DU Battery Saver as well as any and all related data services provided by DU Apps Studio. DU Apps Studio may occasionally provide updates and upgrades to Users for the DU Battery Saver as such updates or upgrades become available. Users may copy and distribute DU Battery Saver solely in a non-commercial manner.

2.2 Any commercial use, sale, copying, distribution or any other conduct related to commercial activities, including but not limited to the pre-installation or binding of the DU Battery Saver software, is prohibited unless such individual has obtained prior written approval from DU Apps Studio.

2.3 The DU Battery Saver product is a part of the services provided by DU Apps Studio. Prior to using the DU Battery Saver software, Users must carefully read and abide by the terms and conditions of this Agreement and all related DU Apps Studio policies, including but not limited to the Notice to Right Holders applicable to DU Apps Studio’s products, Disclaimer and Privacy Protection Policies.

2.4 Each User shall ensure that he/she does and will not commit any act or fail to commit any act that results in damaging or interfering with any of DU Apps Studio's services in any way, and shall not conduct, authorize aid or abet any third-party to conduct any of the following activities: (i) use the DU Battery Saver or Services except as expressly permitted under the terms and conditions of this agreement; (ii) separate the component programs of the DU Battery Saver for use on different devices; (iii) adapt, alter, publicly display, publicly perform, translate, embed into any other product, or otherwise create derivative works of, or otherwise modify the DU Battery Saver or Services; (iv) sublicense, lease, rent, loan, or distribute the DU Battery Saver or Services to any third party; (v) transfer the DU Battery Saver or Services to any third party; (vi) reverse engineer, decompile, disassemble, or otherwise attempt to derive the source code for the DU Battery Saver, (a) except as permitted by applicable law, or (b) solely to the extent required to debug changes to any third party LGPL-libraries linked to by the DU Battery Saver; (vi) remove, alter or obscure any proprietary notices on the DU Battery Saver or Services, or the applicable documentation therefore; (vii) allow third parties to access or use the DU Battery Saver or Services, including without limitation any use in any application service provider environment, service bureau, or time-sharing arrangements; or (viii) modify, adapt or translate the DU Battery Saver or create any derivative work of the DU Battery Saver. Whenever or wherever a User commits any of these violations, he/she shall be held legally liable for any and all damages, fines, costs and expenses to DU Apps Studio for such action(s) under the furthest extent of the law, and DU Apps Studio shall have the right to seek legal, equitable and administrative redress against such User by exercise of its legal rights and to implement legal remedies against the User to the fullest extent of the law.

2.5 Third-Party Software is subject to separate terms and conditions included with, or contained in the setup installation segments of such Third-Party Software. The license restrictions contained in this Agreement do not apply to Third-Party Software to the extent they are inconsistent with such Third-Party Software terms. DU Apps Studio shall not be responsible for any Third Party Software.

2.6 DU Apps Studio reserves the right at any time and from time to time to modify or discontinue, temporarily or permanently, the Services (or any part thereof) with or without notice. Users agree and acknowledge that DU Apps Studio shall not be liable to any User or to any third-party for any modification, suspension or discontinuance of the Services.

3. INTELLECTUAL PROPERTY PROTECTION

3.1 The DU Battery Saver is protected by international Copyright Conventions, the Copyright Ordinance of Hong Kang and all other applicable intellectual property laws and regulations. All Intellectual Property Rights associated with the DU Battery Saver are owned by and are the exclusive property of DU Apps Studio. Users acknowledge that the Services and the DU Battery Saver, including without limitation the DU Battery Saver’s sequence, structure, organization, source code and applicable documentation contains valuable trade secrets and other intellectual property of DU Apps Studio and its suppliers and is considered DU Apps Studio’s confidential information, and acknowledge that the DU Battery Saver and the Services and all intellectual property rights therein are the exclusive property of DU Apps Studio, including but not limited to all related Intellectual Property Rights. "Intellectual Property Rights" includes any and all rights protected by all applicable patent laws, copyright laws, trademark laws, anti-unfair competition laws and other laws and any and all other property rights, as well as any and all applications, updates, extensions and recovery of them. No title or ownership to the DU Battery Saver or the Services or the Intellectual Property Rights embodied therein passes to any User as a result of this Agreement or any act pursuant to this Agreement.

3.2 Users shall not maliciously or intentionally modify, copy, or transmit materials related to the DU Battery Saver. If damages are caused to others or to DU Apps Studio's image by a User's copying, modifying or transmitting of the DU Battery Saver or any related DU Apps Studio service, then the User shall be liable for all corresponding damages, costs, fines and expenses DU Apps Studio incurs. Users shall not delete, hide or change DU Apps Studio's copyright statement, registered trademarks, or any other statements.

3.3 DU Apps Studio owns all copies of the DU Battery Saver, however made. Nothing in this Agreement will be deemed to grant, by implication, estoppel or otherwise, a license under any existing or future patents of DU Apps Studio, except to the extent necessary for User to use the DU Battery Saver or Services as expressly permitted under this Agreement.

4. TERM AND TERMINATION

4.1 The term of this Agreement will commence upon User’s download of the DU Battery Saver and/or User’s commencement of the Services and, unless earlier terminated as provided in this Section 4, will continue in perpetuity. This Agreement will immediately terminate upon User’s breach of this Agreement, unless such breach is curable and is actually and immediately cured by User after DU Apps Studio provides notice of breach to User. Upon the termination of this Agreement, User will discontinue all use of the DU Battery Saver and/or Services, promptly destroy or have destroyed the DU Battery Saver and any copies thereof, and, upon request by DU Apps Studio, certify in writing to DU Apps Studio that such destruction has taken place. These remedies are cumulative and in addition to any other remedies available to DU APPS STUDIO. Sections 1, 2, 3, 5 and 7 shall survive such termination.

5. DISCLAIMER OF WARRANTIES AND SPECIAL ANNOUNCEMENT

5.1 To the best of DU Apps Studio’s knowledge, DU Apps Studio represents that DU Battery Saver does not contain any viruses or other malicious codes aimed at destroying Users' data. Despite thorough testing of the DU Battery Saver, complete compatibility with all software, hardware and operating systems cannot be entirely guaranteed. In the event of non-compatibility, Users may report such issue to DU Apps Studio by email requesting technical support. If the incompatibility issue cannot be resolved, Users may uninstall the DU Battery Saver directly from the "Apps" within Settings. THE DU BATTERY SAVER just should apply to the mobile device with Android system version 2.1 and up.

5.2 Because the DU Battery Saver may be downloaded and transmitted through the Internet, DU Apps Studio is unable to guarantee whether or not the DU Battery Saver version downloaded from third party websites or other media not issued directly by DU Apps Studio may or may not be infected with computer viruses or malicious code installed by Trojan programs or other hacker software. DU Apps Studio assumes no responsibility for any direct or indirect damages subsequent to the downloading of DU Battery Saver in such manner.

5.3 Users understand and agree that they have the right, but not the obligation, to download and use the DU Battery Saver. DU Apps Studio does not provide any representations or warranties with respect to the marketability, fitness for a specific purpose, or any other specific or general warranties with respect to the DU Battery Saver. In other words, subject to the terms and conditions of this Agreement, the DU Battery Saver is being provided on an “as-is” basis without any warranties of any kind.

5.4 Within the limit of common practices and guidelines shared across the information technology industry, Users' information and behavior may be recorded and used by DU Apps Studio. By downloading, installing and/or using the DU Battery Saver, you agree and understand that DU Apps Studio may collect and use certain of your non-personal information in order to provide you with more accurate and well-targeted services. Unless required by laws or the requirements of a government department, DU Apps Studio will not provide any information concerning a User to any third party.

5.5 Any communications sent to DU Apps Studio are the property of DU Apps Studio or its affiliates. Unless stated otherwise herein, submissions are not considered confidential, and DU Apps Studio is not liable for any use or disclosure of a submission. Except as noted herein, DU Apps Studio is entitled to unrestricted use of any submissions for any purpose whatsoever without compensation to the provider of the submission.

5.6 The DU battery saver and services are provided “as is,” and except as specifically stated otherwise in this agreement, DU Apps Studio expressly disclaims all express, implied and statutory warranties in the du battery saver. This disclaimer includes without limitation the implied warranties of title, merchantability, fitness for a particular purpose or use, accuracy or completeness, satisfactory quality and quiet enjoyment, and non-infringement or other warranties or conditions arising by statute, DU Apps Studiotion or law, course of dealing, usage of trade or otherwise are hereby disclaimed, and is effective to the maximum extent allowed by law. DU Apps Studio does not guarantee that 1) the du battery saver will meet your requirements or expectations or 2) that access to the du battery saver will be uninterrupted, timely, secure, error-free or that the du battery saver or services do not contain any viruses. This warranty disclaimer is a fundamental element of the basis of the bargain between user and DU Apps Studio. DU Apps Studio would not provide the DU battery saver or services absent such disclaimer.

6. NOTICE

6.1 DU Apps Studio commits to undertake work for the further development and extension of DU Battery Saver and to provide product service support for DU Battery Saver in the near and long-term future. If a User has any suggestions for adjustments that he or she believes should make to the DU Battery Saver, or to request technical support related to the DU Battery Saver, Users may contact DU Apps Studio by email feedback@dianxinos.com. Such technical support obligations shall not go beyond the reasonable ability of DU Apps Studio’s technical support personnel.

6.2 DU Apps Studio reserves the right to modify this Agreement at any time without notifying all Users. If a User has any objection to the modified agreement, he/she may choose to uninstall DU Battery Saver and DU Apps Studio will not be responsible for any loss caused to the User. A User's continued use of the DU Battery Saver after any modification to this Agreement will be deemed as such User’s agreement to abide by the terms and conditions of the newly modified agreement.

6.3 Users acknowledge that the DU Battery Saver is subject to the operation and telecommunications infrastructures of the Internet and the operation of your Internet connection services, all of which are beyond DU Apps Studio’s control.

6.4 Users acknowledge and agree that the DU Battery Saver and Services contain valuable trade secrets, confidential information and proprietary information of DU Apps Studio. Users further acknowledge that any actual or threatened breach or violation of this Agreement will constitute immediate, irreparable harm to DU Apps Studio for which monetary damages would be an inadequate remedy, and that injunctive relief is an appropriate remedy for any such breach or violation.

6.5 Users agree that all disputes caused by using DU Battery Saver shall be resolved through legal proceedings and submitted to local People's Court where DU Apps Studio, Inc. is located; that is all proceedings shall be submitted to the Beijing Haidian District People's Court or when complying with grade jurisdiction provision, the superior court of Beijing Haidian District People's Court.

6.6 In no event shall DU Apps Studio be liable for any incidental, special, consequential, or indirect damages of any kind (including without limitation damages for interruption of business, lost data, lost profits, or the like) regardless of the form of action, whether in contract, tort (including without limitation negligence), strict product liability, or other theory, even if advised of the possibility of such damages. In no event will the cumulative liability of DU Apps Studio arising out of or related to this agreement exceed the amount paid to DU Apps Studio in respect of the du battery saver giving rise to the claim or if no fees were paid then one hundred us dollars. Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, so the foregoing exclusion and limitation may not apply to user. This limitation of liability will apply notwithstanding the failure of essential purpose of any limited remedy set forth herein. In no event will any supplier to DU Apps Studio have any liability to user under this agreement. This limitation of liability is a fundamental element of the basis of the bargain between user and DU Apps Studio. DU Apps Studio would not provide the du battery saver to user absent such limitation.

6.7 DU Battery Saver might read your Gmail account to identify our user through upload the information in MD5 message-digest algorithm. It means we can read you Gmail account in our Application but we can’t upload your Gmail account directly and get the clear text of your Gmail account.(The MD5 message-digest algorithm is a widely used cryptographic hash functionproducing a 128-bit (16-byte) hash value, typically expressed in text format as a 32 digithexadecimal number. MD5 has been utilized in a wide variety of cryptographic applications, and is also commonly used to verify data integrity.)

6.8 This version of the DU Battery Saver is owned by DU Apps Studio and all rights of final interpretation and modification of this Agreement are reserved by DU Apps Studio.

6.9 DU Battery Saver would not associate with personally-identifiable information or other identifiers. And we promise that all the advertising identifiers are not connected to personally-identifiable information or associated with any persistent device identifier (for example: SSAID, MAC address, IMEI, etc.,) without the explicit consent of our user.

7. Legal Notices

The following sets forth attribution notices for third party software that may be contained in this application.

The following software may be included in this application:

android-support-v4

This software contains the following license and notice below:

http://developer.android.com/tools/support-library/index.html

The following software may be included in this application:

android-vending-licensing

This software contains the following license and notice below:

http://developer.android.com/google/play/licensing/overview.html

The following software may be included in this application:

disklrucache-2.0.2.jar

This software contains the following license and notice below:

http://developer.android.com/samples/DisplayingBitmaps/src/com.example.android.displayingbitmaps/util/DiskLruCache.html

The following software may be included in this application:

commons-codec-1.5.jar

This software contains the following license and notice below:

http://commons.apache.org/proper/commons-codec/

The following software may be included in this application:

facebook-android-sdk

This software contains the following license and notice below:

https://developers.facebook.com/docs/android/

The following software may be included in this application:

achartengine

This software contains the following license and notice below:

http://www.javaadvent.com/2012/12/achartengine-charting-library-for.html

The following software may be included in this application:

Apache License, Version 2.0

This software contains the following license and notice below:

http://www.apache.org/licenses/LICENSE-2.0

The following software may be included in this application:

af_sdk.1.3.16.0.jar

This software contains the following license and notice below:

http://www.appsflyer.com/about/