j730g only works "E",Lte,3g,4g not work

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j730g only works "E",Lte,3g,4g not work

j730g stop work 3g/4g/LTE and connect internet only "E".any idea to solve this problem.
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Model: SM-J730G
Sales Code: TPA
Country Code: PANAMA
Timezone: Asia/Karachi
Android Version: 7.0 [NRD90M] [SDK 24]
Build Date: Tue Jun 26 06:55:12 KST 2018
PDA Version: J730GUBU4ARF1 [june 2018, rev1]
Phone Version: J730GUBU4ARF1 [june 2018, rev1]
CSC Version: J730GUUB4ARF1 [june 2018, rev1]
Product Code: TPA
HIDSw Version: J730GUBU4ARF1/J730GUUB4ARF1/J730GUBU4ARF1/J730GUBU4ARF1
Board Platform: EXYNOS5
Modem Platform: SHANNON315
Serial Number: R58JC1953JP
Imei: 353317096047783
Unique Number: CBJ00341DF43AB4
Connections: AT,MTP
Battery Status: 4.22V (97%)
Network Type: GSM
SIM Status: READY,ABSENT
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2018-06-01
Data Encryption State: encrypted
Successfully finished.
Finished at local time: [08.20.18 20:07:10]
WorkID: 42743898