Problems in installing jar file in Sony Ericsson Elm & K800i - Operation Failed

HI all,
We have developed a J2ME application, the .jar file of the application is not getting installed in some of the Sony Ericsson devices such as Elm, K800i etc - getting 'Operation failed' message. But it is getting successfully installed in some other devices. Can anyone let us know what could be the problem even though the devices are MIDP 2.0 and CLDC 1.1 supported.

http://developer.sonyericsson.com/wportal/devworld/phones/phone-overview/elm?cc=gb&lc=en Since I don't know which Java app you have developed, I can only suggest you use this SE Developer world page to compare JSRs& APIs between SE phones that allow its installation and those that don't, and see if this gives you an answer.Failing that, check for any differences in the security certificates and/or run a software update/master reset on the phones that don't allow installation and see if that helps.

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Problems in installing jar file in Sony Ericsson Elm & K800i - Operation Failed

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