What do you mean auto? You have to invoke the command for it to sync.
You have to have wifi syncing enabled on the summary screen in iTunes. You ALSO have to have the option to open iTunes when connected enabled. I had the same problem. Works 100% when both of those options are enabled on the summary screen of your device in iTunes.
You have to have wifi syncing enabled on the summary screen in iTunes. You ALSO have to have the option to open iTunes when connected enabled. I had the same problem. Works 100% when both of those options are enabled on the summary screen of your device in iTunes.