The LPA (Local Profile Assistant) is an important part of the Consumer Devices architecture specified by the GSMA. Usually it is implemented as an app on a consumer device such as a smartphone, tablet, or smart watch. It allows consumers to choose and change their subscription data when switching to a different mobile network operator. Instead of using the app on a real mobile device, a developer or test engineer can use our LPA simulation, which is available as add-on of COMPRION Network Bridge. When changing the operator subscription, the eUICC and the SM-DP+ server have to communicate with each other. The LPA Simulation allows the engineer to manage the communication between the two (see figure below).