# How to handle a lost mobile device In the event of a lost mobile device, please report it immediately to the company security team via , or via the [Security Team channel](https://community.mattermost.com/private-core/channels/security-team). Make sure to include the mention "@securityteam" in your message to notify the security team. The security team will assist you in removing access from your lost mobile device to your Mattermost resources, and walk you through the set up of a new mobile device. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://handbook.mattermost.com/company/how-to-guides-for-staff/how-to-change-mobile-device/how-to-handle-a-lost-mobile-device.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.