How to connect MARS 300 Pro with the HollyView App? Hollyland Tech November 30, 2020 06:11 Updated Remember the series number Find the WiFi password via the menu on the device, Default password: 12345678 Connect to the WiFi begins with “HLD_series number” under WiFi Settings on your mobile device with the password Open the HollyView App, select MARS 300 PRO page, and press “Connect” Related articles Hollyview APP Connection Check&Change--- Wi-Fi Password How to connect a mobile device to the HollyView App ? How to set them up when multiple sets of MARS 300 PRO are used at the same location ? How to install the devices to get the best performance ? Comments 0 comments Article is closed for comments.