# Revoke a Lost or Stolen JEM AirKey If one of your JEM AirKeys -- a JEM hardware device or iPhone, iPad or Android device with a configured JEM AirKey SD (a.k.a. softJEM) is lost, stolen or compromised, you should revoke it as soon as you become aware of the loss. To revoke a JEM AirKey, 1. Open JEMPass - Settings - My JEM AirKeys 2. Tap the lost/stolen/compormised JEM AirKey 3. Tap the red Revoke button and follow on-screen instructions --- # 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://docs.jempass.com/how-do-i-.../revoke-a-lost-or-stolen-jem-airkey.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.