Unlock M556B samkey

[servergsm]

Searching for SAMSUNG Mobile USB Modem...OK
SAMSUNG USB Modem detected on [COM50]
Looking for DEVICE.....OK
Reading USB MODEM information...OK
MODEL : SM-M556B
VER : M556BXXU1AXC1/M556BODM1AXC1/M556BXXU1AXC1/M556BXXU1AXC1
IMEI : 3502695002xxxxx
S/N : R9ZX40xxxx
U/N : CE012481604Fxxx
This operation consume 7 credits, Agree? YES
Loading ADB module............OK
Starting ADB module...OK
Searching for SAMSUNG ADB device...OK
Checking device authorization...OK
Reading device information via ADB...
Device Model : SM-M556B
ADB Serial Number : R9ZX407xxxx
AP Ver : M556BXXU1AXC1
CP Ver : M556BXXU1AXC1
Sending data to SERVER...OK
Waiting for SERVER response (May take few minutes)...OK
Operation successful.