Is it still a backdoor if it is publicly documented?
Also, the API is somewhat limited. "Installing applications" here means "downloading code to the SIM card", which arguably has always been the phone provider's property.
It's definitely not possible to install apps on the application processor OS via SIM-OTA. That would be OS-based carrier profiles, which the OS vendor has deliberately implemented.
Also, the API is somewhat limited. "Installing applications" here means "downloading code to the SIM card", which arguably has always been the phone provider's property.
It's definitely not possible to install apps on the application processor OS via SIM-OTA. That would be OS-based carrier profiles, which the OS vendor has deliberately implemented.