I had similar problems with older MZD firmware (v51). With older firmware the problem was caused by contacts with (larger) images. Workaround (for android) was to disable sending images (you can do that with the Bluetooth Phonebook application available from Google Play). With current V56 I have no problems.
Sometimes during re-synchronization the progressbar on MZD just hangs for a while (few minutes), especially if you have several hundrets of contacts. It should end with a message (success or fail) anyway.
Sometimes during re-synchronization the progressbar on MZD just hangs for a while (few minutes), especially if you have several hundrets of contacts. It should end with a message (success or fail) anyway.
