You Most change the name of the file from WinRAR.sis to WinRAR.jar

WinRAR is a simple application for your Nokia S60 5th edition mobiles like 5800 or N97, which can be used to open .rar and .zip files in your mobile. WinRAR for mobile will be very useful when you need to open a zipped attachment that you have got in an email. This will also be useful when you need to unzip some themes or applications directly on your mobile. WinRAR reads ZIP & RAR archives, you can extract the files from existing archives or you can create new archives. I installed it on my Nokia 5800 and it works fine." />
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