Hi software tool is not safe to unlock your phones. Because some times error may occur. So better you can use unlock code. It is the best and safe method to unlock your phone. If you need unlock code you can visit this site Mobile-unlocker.com here you can get the code and unlock your mobile. To get the code you have to mention your mobile brand name,model,which country is locked now,network provider and imei number. Then they send unlock code through email.