How to unlock jazz D523 and M603 device

Method:

First of all, you need to install unlock software and zte usb driver.
After that, install zte usb auto drivers.

And then. connect your device with PC. using usb cable and
then open unlock file provided by any authentic modem unlocker.
Now select the option for your device 1.2 . You need to select first for d523 device and hit enter you will see device mode successful.
Now replug your device. after the replug device will go into adb mode.
Now install adb driver manually from device manager. After that put (at interface ) port number in unlock file
Now wait until Device will restart automatically after the complete restarting unlocking process will be completed
Now open device page Log in and go to setting> device management>reset and reset device to its factory setting
after. the complete factory default settings device will pick any sim card
Congratulations. Your device has been unlocked successfully

for online unlocking and unlock software contect Ramzan Ismail Whatsapp +92310 8141 786