SonyEricsson K750i / W800i Unlocking
1. You will need a cruiser cable and Sonics Cracked (this software does models from k700i)
2. Open the software and hit the button Scan Port and under the device select the cruiser cable port (The usb-cable also has a com-port)
3. Hit the button Connect and it should show something like sonics ready
4. Hit the Button Unlock/Repair and when it shows power it on now and keep pressing power button (until it finishes)
5. After some time the process should finish and the phone will be Unlocked!