I already have an application on the android market and now I want to upload an update to that application. I have made the new application with the same package name, I have in
@knoguchi is rite.
for that you should:
1) Unpublished app from market(Your published apk can't delete it will be deactive only.)
2) after that in you Latest menifest add
You will need following:
3) And sign again your apk from eclipde->Android tools->Export singed application package-> sign it->
4) Upload that Apk to market.
Hope it will help.