How to install Java ME application in mobile phone
Intalling of java ME phones can be done in a number of ways
First you have to transfer the application to your mobile. You can transfer your application to the mobile from PC by making use of data cable, infrared or Bluetooth. Another way to transfer the MIDlet to the phone is store it on a Web server and download the files using a browser. Note that the server has to have the MIME types correctly defined
JAR: application/java-archive
JAD: text/vnd.sun.j2me.app-descriptor”
Incertain phones only the transfer is required & the installing will be done by itself. In others you have to choose the application and then select install.
You can also install the application by directly OTA provisioning. Here by using the phone web browser You can download the application and the installation automatically takes place.

