JustIN mSVN is an Android app developed by Salto Systems S.L. that enables remote updating of cards using the Mobile SALTO Virtual Network (mSVN) technology. With this app, users can update their DESFire EV1 credential using an NFC-enabled smartphone, resulting in increased flexibility and security in an installation.

The app is compatible with the XS4 Original RFID escutcheon range, including various models such as Scandinavian, ANSI, and Wireless models. The minimum Android version required for the app is 4.3. Additionally, the app requires SALTO ProAccess SPACE as a system requirement and is only compatible with DESFire EV1 (AES-3DES encryption) using a SALTO SAM card.

JustIN mSVN also includes a DENY LIST dissemination feature that enhances security without the need for wiring or door visits. Salto Systems has been delivering advanced electronic access control solutions since 2001, and the SALTO XS4 platform offers a wide range of versatile products for various sectors, including healthcare, education, public institutions, and airports.

Overall, JustIN mSVN is a useful app for those who want to update their access credentials remotely and securely.