Hello,
i´m not really sure. I think it was that shop: http://de.aliexpress.com/item/Free-shipping-with-DHL-shipping-in-stock-with-English-version-DS-2CD2042WD-I-4MP-IR-Bullet/32455462621.html?ws_ab_test=201407_3,201444_5,201409_4
Did all of you who has problems use 5.3.1 or did you upgraded to...