Usar o APKPure APP
Obter o APK da versão antiga de WIFI NVRAM FIXER [ROOT] para Android
corrigir o problema wi-fi aviso nvram err 0x10 para o seu telefone (raiz necessário)
This application fix the problems of your wifi , exactly this two problem :
wifi nvram warning err 0x10
wifi nvram warning err 0x02
if your phone change the ip address quickly so this application give you fixed IP address for your phone .
But note that you will lose your 5GHz wifi if that network exist at your phone.
(root required)