S8 + not unlocking "Security readed, verifying.....FAIL!"

[cellman2010]

What does this error mean ?



Start Read Security Phone Task on 3/5/2020 5:07:40 PM -08:00
Balance: 270 Credit(s)
ADBSN: 98895A435432454A43
MODEL NAME: SM-G955U
DID: 205ED01C20BF
BOOTLOADER: G955USQU1AQGL
PDA VERSION: G955USQU1AQGL
MODEM VERSION: G955USQU1AQGL
CSC VERSION: G955USQU1AQGL
MODEM BOARD: MSM8998
ANDROID VERSION: 7.0
CARRIER: ATT
SALE COUNTRY: USA
CPU: QCOM
SIM STATE: ABSENT
USB CONFIG: DIAG,ACM,ADB
Warranty Bit: 0
Connecting to COM71 ......OK
Reading Device Info......OK
MODEL NAME: SM-G955U
IMEI: 355979082448685
SN: R38J508JE3H
UID: 98895A435432454A43
SWVER: G955USQU1AQGL/G955USQU1AQGL/G955USQU1AQGL/G955UOYN1AQGL
Initializing Applet......OK
Reading MODEM security info......
CARRIER LOCK: ATT
IMEI: 35597908244868
MSLADDR: R38J508JE3
Security Status: PASS
Switching to Upload Mode......OK
Waiting for device to Upload Mode......OK
Searching Upload Mode Port......
Phone Found on Port: COM46
Connecting to COM46......OK
Reading Device Security Area......OK
Exiting Upload Mode......OK
Security readed, verifying.....FAIL!
Searching security not found
Balance: 270 Credit(s)
Total time take: 00:04:40, finished on 3/5/2020 5:12:21 PM -08:00

 

[kingunlockpr]

TICK ON ''DEEP SECURITY'' AND UNLOCK AGAIN

 

[cellman2010]

that WAS a deep calculate attempt

 

[JoseJurado]

flash the recomended factory modem, T1 firts and T2 w/deep calculate. Thats the way i can do it.