In order to fulfill the basic functions of our service, the user hereby agrees to allow Xiaomi to collect, process and use personal information which shall include but not be limited to written threads, pictures, comments, replies in the Mi Community, and relevant data types listed in Xiaomi's Private Policy.Once the modem/router is fully 'up' again, reboot the phone and re-input the WiFi data. Click the Wi-Fi tab then find your current connection in the Prefered Network list.It can therefore be paralyzing to have Wi-Fi problems.