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 Where to download the HollyView App ？ How to connect a mobile device to the HollyView App ? Why there is no video when using SONY camera? How to fast and easily identify the channels with interference ? How to find the WiFi password ? Comments 0 comments Article is closed for comments.