HUAWEI Y6 2019 (MRD-LX1,MRD-LX9N,MRD-LX3,MRD-LXXX) Convert to Dual Sim & Demo Remove By Saaya Gsm
1_FLASH board firmware with cm2Google Drive - Virus scan warning
2_ now flash this Stock firmeware with octupus [Madrid-L41A 9.0.1.112(C461E5R1P7)]
download from octpus support MRD-L41
after that check your imei if your imei is single then erese nvdata & nvram and write anthor tested nvdata & nvram file
if, your imei is ok on settting and show dual but null so this time just writh nvdata & oem file
79.9 KB file on MEGA
184.9 KB file on MEGA