firmware corrupt updating via OTA from 6.1.0.0 to 6.3.0.0

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2018-07-24 07:29

hi i have a problem updating to 6.3.0.0 i think i've tried everything from OTA to recovery by download the firmware from official site. after the firmware check it says ''firmware corrupt'' and the phone restarts.. can anyone help with that?i really don't know what to try.. thanks guys