Resetting a NR7101 Router

Goran

Hi. I have a NR7101 which was bought through my ISP. I have cancelled this ISP for another cheaper vendor but still wants to use this router. My ols ISP whivh have configured my router an locked it to them says I cant change my self. Does anyone know how I ca reset it, so that I am able to use with an other vendore SIM card?

EskildP

Maybe this can be to some help

https://forum.openwrt.org/t/flash-on-zyxel-nr7101/116006