samsung galaxy s2 i727 unlock done!
micro-USB cable:
1. Phone must be powered on.
2. Type *#7284# and choose Modem for both options.
3. Type *#9090# and choose USB Diag.
4. Reboot phone.
5. Connect USB cable, install drivers.
6. Select diagnostic port in port settings.
7. Press "Unlock" button.
Reading phone info...
PDA/CSC version: I727UCLI3/I727ATTLI3
Phone version: SW VERSION :None
Phone HW: REV0.2
Cal date: 2012.07.07
IMEI: 35##############
Phone S/N: R21C70Q724
Build: M9200B-SCAQCSZD-3.4.701084
Reading security... OK
Calculating... OK
Writing security... OK
Reseting...
Unlock done
micro-USB cable:
1. Phone must be powered on.
2. Type *#7284# and choose Modem for both options.
3. Type *#9090# and choose USB Diag.
4. Reboot phone.
5. Connect USB cable, install drivers.
6. Select diagnostic port in port settings.
7. Press "Unlock" button.
Reading phone info...
PDA/CSC version: I727UCLI3/I727ATTLI3
Phone version: SW VERSION :None
Phone HW: REV0.2
Cal date: 2012.07.07
IMEI: 35##############
Phone S/N: R21C70Q724
Build: M9200B-SCAQCSZD-3.4.701084
Reading security... OK
Calculating... OK
Writing security... OK
Reseting...
Unlock done