Ayuda, J415fn Error 1702 Samkey Opciones

[Teodoror]

compañeros no puedo liberar un J415FN con samkey, me sale este error....

Loading ADB module..OK
Starting ADB module...OK
Searching for SAMSUNG ADB device...OK
Checking device authorization...OK
Reading ADB device information...
ADB Serial Number : 3FAD68CF
Model Name : SM-J415FN
Android Version : 9
Carrier : SER
Device CodeName : J4PRIMELTE
Board Type : MSM8937
Hardware : QCOM
Warranty VOID : 0
AP Version : J415FNPUU6BTG1
CP Version : J415FNPUU6BTF1
Debug Level : 0x4f4c
Setting DEBUG level to HIGH.........OK
Waiting for Reboot...OK
CP Debug Level : 0x55ff
Setting CP DEBUG mode............OK
Waiting for Reboot...OK
Preparing RIL module....[P1:OK]...[SH:OK]...[J4PRIMELTE]...OK
Starting RIL applet..[AT:OK]...OK
Reading MODEM security info...
ERROR(1701) : Failed to read IMEI!