Master reset code

SOURCE: Java Applications Not Working On My Cingular Se 810i

i understand ur problem , but it has been very frequently noticed that most of the application available on net are not compatible with Sony Erricsson handsets...plz make sure that the apps u r trying to install are compatible for ur phone , it is a clear java version mismatch... 

SOURCE: Java Applications Not Working On My Cingular Se w810i

i understand ur problem , but it has been very frequently noticed that most of the application available on net are not compatible with Sony Erricsson handsets...plz make sure that the apps u r trying to install are compatible for ur phone , it is a clear java version mismatch...

SOURCE: Java Applications Not Working On My Cingular Se w810i

Reinstall the Firmware or updating to the latest software from S.e 's site.
that must be then some hardcore java errors?