HOW TO S-off A9

I’m have been struggling trying get this accomplish, please help when place clip in sd slot nothing happens except phone just reboot

EDIT**my log RESPONSE*FROM*IO € ‰™/med]·¤ ¢ 2_log.txt
Rebooting in %d seconds … reboot rb+ ‰#›2$ F*W6e¿tHŒÁZ¯Ó¾lClip ID: 90027940
Please wait…
Stage 1 done.

Please wait…
Stage 2 done.

Process done 2 steps with 0 errors
Rebooting in 5 seconds …
Rebooting in 4 seconds …
Rebooting in 3 seconds …
Rebooting in 2 seconds …
Rebooting in 1 seconds …