Naming conventions: Product_type_h/wRevision_s/wRevision_ValidArea_language_datecode.extension Product_Howto_language_ Theme-with-description.extension DES-3250tg_fw_revALL_216_ALL_en_040105.zip Firmware for DES-3250TG. Firmware für den DES-3250TG. DES-3250TG_fw_revALL_450b13_ALL_en_050701.zip Firmware