A750G Bit 3 modem is not supported

I already tried with the modem of combination 1 and a firmware bit 2 and can not. Tambiuén copied the certificate of another cell phone and tells me that the certificate is not portable, can only be used on 1 cell


Chimera Mobile Phone Utility version: 21.68.1040 @ 2019-07-13
Printing phone history

SW Change
13/07/2019
14:58:23

Repair IMEI
13/07/2019
14:57:51

SW Change
13/07/2019
14:56:05

Repair IMEI
13/07/2019
14:50:54

Knoxguard Unlock
13/07/2019
14:46:18

Repair started
Unable to detect IMEI number and baseband version. It seems that the modem does not work or the network is unavailable/disabled.
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-A750G
Sales Code: CHT
Country Code: Chile
Timezone: America/Santiago
Android Version: 9 [PPR1.180610.011] [SDK 28]
Build Date: Wed Jun 12 04:25:20 KST 2019
PDA Version: A750GUBS3BSF3 [june 2019, rev3]
CSC Version: A750GOWT3BSF1 [june 2019, rev1]
Board Platform: EXYNOS5
Serial Number: R28KC0HNWGA
Battery Status: 4.14V (82%)
Network Type: UNKNOWN
Multisim Config: SS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2019-06-01
Data Encryption State: unencrypted
Repair imei...
Checking modem version.
Unknown modem version.
Finished at local time: [07.13.19 10:59:35]
WorkID: 66100526