UNLOCK INSTRUCTIONS:
Micro-USB cable:
1. Phone must be powered on.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Type *#9090# and choose 'DM/DUN over HSIC'.
4. Reboot phone.
5. Connect USB cable, install drivers if needed.
6. Select Samsung diagnostic port in port settings.
7. Press 'Unlock' button for direct unlock.
Operation: Unlock
Selected model: SM-A300FU
Selected port: COM47 SAMSUNG Mobile USB Serial Port ,
Software version: 20.5
Reading phone info...
Reading IMEI... OK
IMEI: 3596550638xxxxx
Reading security... new type
Bypassing... OK
Unlocking... OK
Reseting... OK
Unlock done
Done with Samsung Tool v.20.5
Micro-USB cable:
1. Phone must be powered on.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Type *#9090# and choose 'DM/DUN over HSIC'.
4. Reboot phone.
5. Connect USB cable, install drivers if needed.
6. Select Samsung diagnostic port in port settings.
7. Press 'Unlock' button for direct unlock.
Operation: Unlock
Selected model: SM-A300FU
Selected port: COM47 SAMSUNG Mobile USB Serial Port ,
Software version: 20.5
Reading phone info...
Reading IMEI... OK
IMEI: 3596550638xxxxx
Reading security... new type
Bypassing... OK
Unlocking... OK
Reseting... OK
Unlock done
Done with Samsung Tool v.20.5