i577 unlock done by z3x...

[preloader88]

i577 unlock by read codes.

1. Phone must be powered on.
2. Type *#7284# and choose Modem for both options.
3. Type *#9090# and choose DM/DUN over HSIC.
4. Reboot phone.
5. Connect USB cable, install drivers.
6. Select diagnostic port in port settings.
7. Press "Read codes" button

 

[jian25]

tnx boss!!!