Java Supported Unblocker Why Cant I Download Java Supported File In My Nokia N91 Phone?I Can Download B4 But Now I Cant.?

Why cant i download java supported file in my Nokia N91 phone?I can download b4 but now I cant.? - java supported unblocker

I can not download the JAR file type on my Nokia N91 I have my Phone.have Java software on my phone? How can I install? I download before, but after a backup of the memory on my PC and restore on my phone, I can not download any file type jar anymore.what I do? Please help.thanks.