REFERENCE Samsung A20 aka sm-A205F bit 2 Unlock

[mhelskie]

Note: downgrade modem

Searching for SAMSUNG Mobile USB Modem...OK
SAMSUNG USB Modem detected on [COM119]
Looking for DEVICE...OK
Reading USB MODEM information...OK
MODEL : SM-A205F
VER : A205FXXU2ASFA/A205FOJM2ASE8/A205FDDU2ASE7/A205FXXU2ASFA
IMEI : 357086106542507
S/N : R58M51DNC2
U/N : CBJ00C9C0942546
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 : R58M51DNC2W
SIM State : ABSENT (OK)
Debug Level : OK
CP Version : A205FDDU2ASE7,A205FDDU2ASE7
Android Version : 9
Warranty VOID : 0
Loading RIL applet...OK
Starting RIL applet...OK
Reading RADIO information...
IMEI : 357086106542507
Initializing RIL applet....OK
Starting exploit...[SHL:OK]...OK
Reading HW signature...OK
Reading data...OK
Calculating security...[KEY:OK]...OK
Sending data to SERVER...OK
Waiting for SERVER response (may take few minutes)...OK
Sending unlock codes to phone...[ACK:1]...[ACK:2]...[ACK:3]...[ACK:4]...NA

SamKEY Team (2017)