Start this app & press "Super Tools"
Press "Group Manager"
Press "Rename" action
Input New group name is "8Group"
The group "6Group" has changed name to "8Group" in this iPhone.
Then close "Group Manager", and run sync again.
Notice, This app does NOT sync when only changed group name, please change any contact information before sync again.6Group is older group name on Google Contacts(Full Image) 8Group is new group name after sync.(Full Image)
please look the new group name "8Group" after Reload Safari.