SM-G570F patch cert done but no network

Chimera Mobile Phone Utility version: 20.22.2159 @ 2019-02-14
Printing phone history

Patch Certificate
2/14/2019
2:32:32
PM

Repair IMEI
2/14/2019
2:31:01
PM

Repair IMEI
2/14/2019
2:27:39
PM

Reset FRP Lock
2/14/2019
2:15:54
PM

Reset FRP Lock
2/14/2019
2:05:22
PM

Patch certificate started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G570F
Timezone: Asia/Dhaka
Android Version: 6.0.1 [MMB29K] [SDK 23]
Build Date: Thu Oct 27 19:56:25 KST 2016
PDA Version: G570FXXU1APJ6 [october 2016, rev6]
Phone Version: G570FXXU1API4 [september 2016, rev4]
Board Platform: EXYNOS5
Modem Platform: SHANNON305
Serial Number: R28J735LL5V
Imei: 35378678367868
Battery Status: 3.74V (5%)
Network Type: GSM
SIM Status: ABSENT,ABSENT
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 1
Security Patch: 2016-11-01
Data Encryption State: unencrypted
Preparing...
Checking current patchcert.
Checking modem.
Checking root.
Checking boot image. Be patient! Do NOT disconnect the phone!
Reading data...
Checking modem version.
Reading data. Be patient! Do NOT disconnect the phone!
Patching certificate...
Communicating with the server. Be patient! Do NOT disconnect the phone!
After the process, the phone can restart once during startup.
Within 20-70 seconds after the phone starts, the signal strength indicator will toggle: signal -> no signal -> signal.
You can check the status of the imei using: *#0011#
The patchcert can be removed by repeating the process.
If a new firmware is used, the patchcert process must be repeated.
Succeeded.
Successfully finished.
Finished at local time: [02.14.19 20:36:11]
WorkID: 52559567