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Sony Ericsson compatibility issue!!!

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Joined: 2009-10-11

I created a simple app using netbeans... the app works fine with my friends Nokia mobile but when i try to send the jar to my Sony Ericsson W580i... after the file transfer completes my phone says "Operation Failed"...

Can someone please tell what can be the problem...

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Joined: 2008-06-18

I am sorry to say that this is a big problem... AFAIK there is no installation log or similar. I have encountered this message several times. However I have found problems that causes this messages. For example:

* The JAD is incorrect. The size is wrong, there is an invalid character etc.
* You are only installing the JAR. Use the JAD instead.
* The jar file is to big, which you could rule out in this case.
* The ProGuard damaged the JAR file. Try to set the ProGuard level to 0.