I decided to try the new java gmail app on my sony k750i. It installed OK, but when I tried to connect it was telling me I did not have the “appropriate certificate”. After abit of googling I found advice on this forum thread to navigate to the following URL on my phone browser:- https://www.verisign.com/cgi-bin/support/rootcert/getrootcert.cer … Continue reading gmail mobile app certificate error