S550TL no network IMEI 000000000000000 need help

S550TL have problem no connect network and I check IMEI by *#06# I got
IMEI:
000000000000000/4
SN:
RV8J4073YZZ

info by adb

Code:

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Using Version...1.0.0.0055
Selected Model GT-I5508
Selected Task SAM Readinfo ADB

Searching ADB Devices...
Device Detected...
SELinux := Enforcing
model:= SM-S550TL
Androids Version:= 6.0.1
Description Version:= on5ltetfntmo-user 6.0.1 MMB29K S550TLUDU2AQC4 release-keys
Platform:= exynos3 [ universal3475 ]  [ SHANNON308 ]
Baseband:= S550TLUDU2AQC4
VER:= S550TLUDU2AQC4/S550TLTFN2AQC4/S550TLUDU2AQC4/S550TLUDU2AQC4
Carrier := TFN_USA
Knox Warranty := Not Void
AP UART Status := Disable.
Security Patch := 01-03-2017
Network Mode := LTE
Simstatus:= READY
ANDROID-ID = 92010b91d44b241d_000083DB5B
Device is not rooted

Total Time Take...00:00:50
Log Saved

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info by UART before imei repair

Code:

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Searching phone...

Phone Found Please Wait...

Details. SM-S550TL,N,S550TLUDU2AQC4,S550TLUDU2AQC4,S550TLUDU2AQC
Model := SM-S550TL
SWVer := S550TLUDU2AQC4
UNIQID := C8G010B91D44B24
Samsung SerialNO:= RV8J4073YZZ
Device SN:= 92010B91D44B241D
Phone IMEI := 00000000000000
Phone IMEI-2 := 00000000000000
Phone MEID := 00000000000000
Default MSL NO NEED RESET EFS...
ROOT KEY GOOD..
REACTIVATION UNLOCKED...
CSC := TFN
Device Knox Warranty is := Not Void
IMEI Certificate is HW-ID Base CPID-Hash := 13C5B75286081BA7EF1893B0FE4B43C88DF31C6D
SKEY := 0013
EXYNOS Type Possible..
IMEI-1 CERT_FAIL..
SKEY := 0013
QCOM(QUALCOMM) Type Possible..
IMEI-1 SIGN FAIL..
Phone is SIM-Unlocked..
Reading Information Finish...
Total Time Take...00:00:48
Log Saved

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I do imei repair now imei back as orignal but no network

Code:

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Using Version...1.0.0.0055
Selected Port USB Serial Port COM104
Selected Model GT-I5508
Selected Task SAM IMEI REPAIR

ALL SAMSUNG IMEI STARTED..

Searching Phone Please wait...

Phone Found Wait...
TEST MODE OK..
Details. SM-S550TL,N,S550TLUDU2AQC4,S550TLUDU2AQC4,S550TLUDU2AQC
Model := SM-S550TL
SWVer := S550TLUDU2AQC4
UNIQID := C8G010B91D44B24
Phone IMEI := 00000000000000
Device Knox Warranty is := Not Void
Default MSL NO NEED RESET EFS...
MSL Autho Pass..
Update SerialNumber ok..
Update IMEI Ok..
Update Simlock Ok..
Wifi_mac := 008701921361
Wifi_mac update ok.
ROOT KEY GOOD..
Fixing FTM ok..
Sync Backups...
Repairing finish.

!!! SUCCESS !!!!
Total Time Take...00:00:57
Log Saved

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info by UART After repair

Code:

---

Using Version...1.0.0.0055
Selected Port USB Serial Port COM104
Selected Model GT-I5508
Selected Task SAMSUNG READINFO

Searching phone...

Phone Found Please Wait...

Details. SM-S550TL,N,S550TLUDU2AQC4,S550TLUDU2AQC4,S550TLUDU2AQC
Model := SM-S550TL
SWVer := S550TLUDU2AQC4
UNIQID := C8G010B91D44B24
Samsung SerialNO:= RV8J4073YZZ
Device SN:= 92010B91D44B241D
Phone IMEI := 35957807288366
Phone IMEI-2 := 00000000000000
Phone MEID := 35957807288366
Default MSL NO NEED RESET EFS...
ROOT KEY GOOD..
REACTIVATION UNLOCKED...
CSC := TFN
Device Knox Warranty is := Not Void
IMEI Certificate is HW-ID Base CPID-Hash := 13C5B75286081BA7EF1893B0FE4B43C88DF31C6D
SKEY := 0013
EXYNOS Type Possible..
IMEI-1 CERT_FAIL..
SKEY := 0013
QCOM(QUALCOMM) Type Possible..
IMEI-1 SIGN FAIL..
Phone is SIM-Unlocked..
Reading Information Finish...
Total Time Take...00:00:42
Log Saved

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how to solve network problem?