I Personally tested it on Nokia 3120 Classic phone. This is the custom User Certificate that I said earlier. The Darkman Certificate (also known as hacker's certificate to some web articles). >Download behappy This PC software will allow us to sign our java applications. Either of the two will work fine with your phone. These two PC softwares are used to be able to accessNokia S40 hidden system files. Requirements A Personal Computer (Desktop/Laptop)with the following softwares installed: This method lets you bypass permission questions like 'Allow network access? This 'application is not from a trusted suuplier.' If done correctly,this will get rid ofthe annoying questions or security prompts from java application. Through a custom User certificate being installed on your Nokia S40 java phone, you can nowrun any Java application that youcan personally signed in your PC. And what am focusing on in this post is how ro hack / unlockk, root a nokia s40 java phone Now when i am talking about nokia s40 am talking about old and new nokia phones such as Nokia3110c, nokia x2, c3, asha 201, 301 e.t.c. Just like major smartphones like Nokia symbian, Android, and iOS Devices… you can aswell hack your nokias40 java phones.