How to Uninstall the MIDlet from mobile using J2Me

hi all,
I have a preinstaller MIDlet that will checks the mobile configuration and downloads the original application from my server. After downloading the original application I want to delete the preinstaller MIDlet from my mobile.
Is it Possible?
Please give me some idea..

One way is you have the same application for preinstaller and original,
preinstaller will be a dummy with no data jad entries should be same other
than version and recordstores if any ,
so user can update the same application you can use platformRequest
read docs
If the URL specified refers to a MIDlet suite (either an Application Descriptor or a JAR file), the application handling the request MUST interpret it as a request to install the named package. In this case, the platform's normal MIDlet suite installation process SHOULD be used, and the user MUST be allowed to control the process (including cancelling the download and/or installation). If the MIDlet suite being installed is an update of the currently running MIDlet suite, the platform MUST first stop the currently running MIDlet suite before performing the update. On some platforms, the currently running MIDlet suite MAY need to be stopped before any installations can occur.

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