The usual fastboot unlocking commands are failing.
Build = THELOOP.EEA25111401U
$ fastboot oem unlock
FAILED (remote: 'Unable to open fastboot HAL')
fastboot: error: Command failed
$ fastboot flashing unlock
FAILED (remote: 'Unrecognized command flashing unlock')
fastboot: error: Command failed
$ fastboot getvar unlocked
unlocked: no
$ fastboot getvar secure
secure: yes
The usual fastboot unlocking commands are failing.
Build = THELOOP.EEA25111401U