Good one G7 Firmware needed

Need firmware for Good One G7 i tried from the internet but not ....i flashed wrong firmware device is dead now ..

this is the info:

Created by Infinity-Box (c) 2019
Chinese Miracle II : MediaTek Service Module
Device Info file : _Android_info.txt

Patch Level : LMY47I
Display ID : LMY47I test-keys
Ver. CodeName : REL
Ver. Release : 5.1
Sec. Patch : 2016-03-01
Build Time : 1470889133
Product Model : G7
Product Brand : Goodone
Product Name : G7
Product Device : magc6580_we_l
Product Manfct : alps
Board Platform : mt6580
Product Info : magc6580_we_l