Open up the Terminal and type:
defaults write com.apple.itunes DeviceBackupsDisabled -bool YES
Your iPhone will no longer do a Backup when connected. To allow backups again type:
defaults write com.apple.itunes DeviceBackupsDisabled -bool NO
Open up the Terminal and type:
defaults write com.apple.itunes DeviceBackupsDisabled -bool YES
Your iPhone will no longer do a Backup when connected. To allow backups again type:
defaults write com.apple.itunes DeviceBackupsDisabled -bool NO