G955N read cert fail ?

Model: SM-G955N
Sales Code: SKC
Timezone: Asia/Ho_Chi_Minh
Android Version: 7.0 [NRD90M] [SDK 24]
Build Date: Thu Sep 13 10:26:14 KST 2018
PDA Version: FA70_G955NKSU3ARI1
Phone Version: G955NKOU3CRI1 [september 2018, rev1]
Board Platform: EXYNOS5
Modem Platform: SHANNON355
Serial Number: R39J604RPV
Battery Status: 3.88V (51%)
Network Type: GSM
SIM Status: READY
Knox Version: v00
Warranty Bit: 0
Security Patch: 2017-02-01
Data Encryption State: unencrypted
Reading cert...
Checking modem version.
Reading data. Be patient! Do NOT disconnect the phone!
Read cert failed.
Finished at local time: [02.16.19 14:57:42]
WorkID: 52705868