4 ms·
It's protected by T2, the reboot disables the system security protection (SSP) temporarily in the T2, which then allows the OS partition to be written to, then
by NikkiA 3y ago
It's protected by T2, the reboot disables the system security protection (SSP) temporarily in the T2, which then allows the OS partition to be written to, then it re-enables SSP and reboots. Only 'special' signed code can enable the update mode.