Our mobile app explains how to configure the Mercusys range extender device. The wifi range extenders are easy to use and setup, which are used to expand the wifi area to the points where the wireless connection has little or no wireless reception by amplifying wifi signals in your home and office. What is in the application content * How to login and setup to the web management page of the Mercusys Range Extender (MW300RE)? (For your security, the default login password of the device should be changed.) * What should I do if I cannot login to the Extender's admin interface page? * How to upgrade the firmware version of the MW300RE? * What if you Fail to Configure Mercusys Wifi Extender? * What should I do if my device keeps disconnecting from the internet when it’s connected to Range Extender? * How to confirm whether my extender is successfully configured and in the best location? * How to backup and restore the MW300RE * What should I do if Internet or download speed is slow when the device is connected to the Mercusys Range Extender?