A750ng no working method imei repair

Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-A750G
Sales Code: XXV
Country Code: VIETNAM
Timezone: America/Bogota
Android Version: 8.0.0 [R16NW] [SDK 26]
Build Date: Fri Feb 15 20:16:31 KST 2019
PDA Version: A750GNDXU1ASB1 [february 2019, rev1]
Phone Version: A750GNDXU1ASB1 [february 2019, rev1]
CSC Version: A750GNOLM1ASB2 [february 2019, rev2]
Product Code: XXV
HIDSw Version: A750GNDXU1ASB1/A750GNOLM1ASB2/A750GNDXU1ASB1/A750GNDXU1ASB1
Board Platform: EXYNOS5
Modem Platform: SHANNON327
Serial Number: R28KA1KWFWR
Imei: 359997094447293
Unique Number: CDU00AD8D522EA5
Connections: AT,MTP
Battery Status: 4.33V (100%)
Network Type: GSM
SIM Status: READY
Multisim Config: SS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2019-01-01
Data Encryption State: unencrypted
Repair imei...
Checking modem version.
Reading data. Be patient! Do NOT disconnect the phone!
Repair imei failed.
Finished at local time: [05.25.19 14:44:40]
WorkID: 60696139