Firmware infos :
build date : Wed Sep 2 17:14:50 CST 2020 build id : MRA58K build display id : MRA58K test-keys mediatek version release : alps-mp-m0.mp1-V2.39_magc6580.we.c.m_P32 platform : MT6580 product brand : welcome product device : A91 product manufacturer : welcome product model : A91 os version : 6.0