Spreadtrum frp not works

i'm trying to bypass frp on a majestic tab 511 3g (spd7731g) with android 7.0, tool says done but frp is still present

Searching Device ... [Fastboot Mode]
Device Found

Reading Device Info.

Version : 1.0
Product :
Serial No :

Resetting FRP Please wait...

FRP Reset Successfuly Done..

Rebooting Device

please try to solve this

br

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