4 ms·But how can the custom iOS build be installed on the device while it is locked?by interpol_p 11y agoBut how can the custom iOS build be installed on the device while it is locked?nicky0 11y ago"The SIF will be loaded via Device Firmware Upgrade ("DFU") mode, recovery mode, or other applicable mode available to the FBI."Karunamon 11y agoDFU/Recovery wipes the device.