pake emmcnya kmq31 om, isi lewat ufi di factory image sudah itu download firmwarenya CSCimage_WW-ZE550KL-ZE600KL-1.21.2.230-fac-eng-20151116-signedAFT_QC dan WW_ZE550KG_1.16.40.763-rel-user-20151201170517-secured-releaseAFT_QC terus flash yg csc dulu buat repair imeinya sudah repair imei baru upgrade insya Allah done ni buat isi emmcnya https://drive.google.com/file/d/0BxZR2TB3nS_1SHRmVU1nVDUyTEE/view