All this devices has different security mechanism, which allow us to track them, make them ring and erase all the data.
But once the device is stolen and all the data are deleted, the “new” owner can register and use the device without any kind of problem. From that point, it is pretty complicated to track our device and recover it.
A feature that I miss on this new smart devices is the ability to track and block them after someone reset it. Based on the unique ID of each devices we should be able to track them even if a factory reset is made.
I would like to see a feature for devices that were already register online to request a confirmation from the old owner when the device is register with another account.
Imagine yourself that you buy a device and someone steal it. He will not be able to use it from that moment. The smart device will become only a brick. I don’t have anything against to restrict use of device (internet and online access) after the moment when the device is marked as stolen. Even with a factory reset I would expect this behavior to remain.
In this way, people will not be able to use devices that were purchased from the “black market”.