> Apple internal iOS devices used by engineers are "dev-fused". We at Samsung use a similar mechanism called Anti Rollback Prevention (ARP). It is a switch tha

> Apple internal iOS devices used by engineers are "dev-fused". We at Samsung use a similar mechanism called Anti Rollback Prevention (ARP). It is a switch that can be enabled for normal devices if the employees using them are given an approval by their boss. Only a handful of employees have access to it, and the switch turns off by itself after a defined period.