mumbi iPhone 4 4S Accessory Kit: Dust Dock plugs Water Protection + headset port protection with Sim Card Needle BLACK EDITION - Version 2.0 (Electronic)
To prevent the ingress of moisture in my iphone, I ordered both the Headsetöffungsschutz (with SIM card pin), as well as the dust dock plug. While the latter makes its function well (closes the lower opening properly), the upper lock acts rather chea