A method for updating personalization information associated with an updated mobile application on a communication device managed by an application provider computer, the personalization information comprising account-specific information associated with a user, the method comprising: receiving, by a server computer, a migration notification from the application provider computer to initiate updating of the personalization information for a mobile application, the migration notification including device identification information, applet identification information, and application version information for the mobile application installed on the communication device by the application provider computer; identifying, by the server computer, an account associated with the migration notification using the device identification information and the applet identification information; identifying, by the server computer, a current personalization profile associated with the mobile application using the received application version information; identifying, by the server computer, an updated personalization profile associated with the updated mobile application; determining, by the server computer, partial personalization information associated with a difference between the current personalization profile and the updated personalization profile; generating partial personalization scripts including the partial personalization information for updating the personalization information stored in the mobile application of the communication device; and providing, by the server computer, the partial personalization scripts to the application provider computer for installation on the communication device, wherein the mobile application is suspended until the partial personalization scripts are installed on the communication device when said updating addresses a security issue. receiving, by a server computer, a migration notification from the application provider computer to initiate updating of the personalization information for a mobile application, the migration notification including device identification information, applet identification information, and application version information for the mobile application installed on the communication device by the application provider computer; identifying, by the server computer, an account associated with the migration notification using the device identification information and the applet identification information; identifying, by the server computer, a current personalization profile associated with the mobile application using the received application version information; identifying, by the server computer, an updated personalization profile associated with the updated mobile application; determining, by the server computer, partial personalization information associated with a difference between the current personalization profile and the updated personalization profile; generating partial personalization scripts including the partial personalization information for updating the personalization information stored in the mobile application of the communication device; and providing, by the server computer, the partial personalization scripts to the application provider computer for installation on the communication device, wherein the mobile application is suspended until the partial personalization scripts are installed on the communication device when said updating addresses a security issue.