UNLOCK ZTE K 3570
SIMPLE SOLUTION IS BELOW, BEST SOLUTION IS IN ABOVE LINK
download any software or any crack file , really you just need to put some settings in the default software that you installed on your computer , ( the default vodafone dashboard )
put any gsm sim card to your modem and connect with computer then open the software , and look for a button named advanced , the it will show another window , from this window our trick begins......
there you can see some thing add settings , just having same in the given pictr , just follow the steps , click on the next tabs for entering apn , really you must need to know the apn ( acces point name ) of your sim card , apn is variable to all networks , its not same with all networks....
here just you need to create a profile , with apn and you has been unlocked your zte vodafone modem
if your using windows 7 , click here for very easy trick