@TP-Link I had been using for 3-4 years , in between i had set a new name for wifi but reverted it back old one. I do not know what lights go on/off but the admin password gets reset to default and...

Hi, After i configure the WIFI settings , new admin password , connecting to my Main router . It works for 2 -3 days , after this TP Link Wifi Extender TL-WA850RE gets reset automatically to Factory...