1: Install the cdma drivers for the samsung z500
http://drivers.softpedia.com/get/MOBILES/Samsung/Samsung-Z500-CDMA-Driver.shtml
2: check so you have a comport on your pc. Bridge pin 2 and 3 on your pc like in the picture below...
3: Download http://www.schwantz-i.org/samsung/UMTS_2.26.zip
Pass is: i-ztnawhcs
4: Install the program and copy cracked exe into install dir.
5: Plug in USB cabel that came with the phone and let the pc find the cdma modem and install it (should do it more or less automaticly as you already installed the drivers)
MAKE SURE YOU HAVE A NON-SUPPORTED SIM IN THE PHONE
6: After that is done right click "My computor" and into the device manager and check modems. In one of the Advanced tabs you can find the port that the modem uses. Remeber this!!!
7: Start the program and choose the phonemodel (z500) and set the right port number.
Choose contry and the do a unlock.
If the unlock buttons aren