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CSCimage_WW-ZE550KL-ZE600KL-1.21.2.230-fac-eng-20151116-signedAFT.zipFeaturedDownload Z00WD stock firmware / flash file: CSCimage WW-ZE550KL-ZE600KL-1.21.2.230-fac-eng-20151116-signedAFT.zip. Free official ROM, tested and ready to fla…02 Aug 2018877 MB Download