your PIN, passwords, and other account access credentials like your backup security question from loss or disclosure. You further agree that Sprint may, in our sole discretion, treat any person who presents your credentials that we deem sufficient for account access as you or an authorized user on the account for disclosure of information or changes in Service. You agree that we may contact you for Service-related reasons through the contact information that you provide, through the Services or Devices to which you subscribe, or through other available means, including text message, email, fax, recorded message, mobile, residential or business phone, or mail.

CPNI: As we provide telecommunications products and Services to you (the account holder), we develop information about the quantity, technical configuration, type, location, and destination of telecommunications products and Services you use, as well as some other information found on your bill (“CPNI”). Under federal law, you have the right and we have a duty to protect the confidentiality of your CPNI. For example, we implement safeguards that are designed to protect your CPNI, including authentication procedures when you contact us. For some accounts with a dedicated Sprint representative, we may rely on contacting your pre-established point of contact as the standard authentication measure.

Third-Party Applications: If you use a third-party application, the application may access, collect, use, or disclose your personal information or require Sprint to disclose your information—including location information (when applicable)—to the application provider or some other