On Wed, May 28, 2008 at 10:45 PM, Sen Heng <Sen.Heng at tom.com> wrote: > Hi Benny, > > Thanks a lot for you help! I think I am getting very close now. > > Now, I can build symbian_ua_udeb.sisx in > "C:\project\pjproject\build.symbian". But when I right click this file and > try to install to phone, I got follow error message "Certificat error, > contact your application supplier". > > Do you have any instructions for me about this? Should I buy I cert by > myself ? > I think this has been explained in the tutorial, under "Configuring Device Security" section. -benny