# 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