Step 1: Install all applications in the link (x-plore, CapsOff, CapsOn, and HelloCarbide)
Step 2: Copy installserver.exe and CProfDriver_SISX.ldd into memory card
Step 2: Launch X-plore, press “0″. Tick Show hidden files, Show ROM drives, Show RAM drives and Show system files/folders. Exit the configuration, and let X-plore run in the background.
Step 3: Run HelloCarbide, and select Menu1. Select Yes when a message appears.
Step 4: Open X-plore, move E:\installserver.exe and E:\CProfDriver_SISX.ldd to C:\sys\bin
Step 5: Restart phone.
Step 6: Install CapsOff and CapsOn. CapsOff enables you to see and travel through hidden/restricted directories. CapsOn turns back to normal. Remember to always run CapsOn everytime you’re done viewing/copying restricted folders.
Done!! You can install all unsigned applications and games from now on. Enjoy~!!
Download link: http://aidil.irix.googlepages.com/N95_8gb_v30.rar
Credits to Drakkarious and FCA00000