g935K read cert fail !!

Code:

---

Platform: Samsung Android
Selected port: COM9
Selected model: SM-G935K
Operation: Read Cert
Detected phone model: SM-G935K
Firmware compiled date: Fri Jan 18 18:12:32 KST 2019
PDA version: G935KKKU2ESA2
CSC version: G935KKTC2ESA2
SW version: G935KKKU2ESA1
Phone SN: R39H30BBS4
Android version: 8.0.0 (R16NW)
Sales code: KTC
Country: KOREA
HW platform: exynos5
HW Chip: exynos8890
HW Modem: SHANNON335
Security patch level: 2019-01-01
Warranty Void: 1
SIM 1 status: absent
Codename: hero2ltektt
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung
\BACKUP\Security-SM-G935K-R39H30BBS4 -05-06-2019_06-06-
25-.asec file
Connecting to modem port...
Found phone on COM9
Reading data from phone...
Could not read data from modem port, trying with exploit..
Initializing exploit...
Executing exploit...
Executing exploit failed
Reading Certificate failed
Performed by 2.7.7.1 Software version.

---

help

from GSM-Forum http://bit.ly/2Z5VZgj
via IFTTT