EFT Dongle MTK6580 root android 7.0 Fail

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EFT Dongle MTK6580 root android 7.0 Fail

EASY-TEAM Waiting For Android Device.......OK
Reading Device Info.......OK
Product: Symphony
Device Chipset: mt6580
Device Model: V75m
Device Serial: 0123456789ABCDEF
Android Version: 7.0
Android SDK: 24
Architecture: armeabi-v7a
Free space in system disk: 278M
Phone Mode: Normal Mode
Checking Root Permission.......Fail