A method of diagnosing a mobile device is provided. The method comprises obtaining an access key from a key store based on an identity of the mobile device and based on an identity associated with an issuer of a confidential information, wherein the access key is associated with a secure element of the mobile device storing the confidential information. The method also comprises wirelessly transmitting a message from a station associated with the issuer to the mobile device to initiate diagnostics of at least the secure element of the mobile device, the message comprising the access key, wherein the diagnostics are performed by diagnostic instructions stored on the mobile device. The method also comprises displaying the result of the diagnostics.