Fail to flash any ROMs in any custom recovery !

Hello , I got YU5010A . I did Root it by kingroot and flash twrp recovery successfully by flashify app . and try to flash custom ROMs for yuphoria .. But I got error every time. I try kingflaher app , twrp recovery and cwm too with different custom ROMs too .. Every recovery says fail to mount :crying: .Is I missed any steps ? Any solution ?

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