70mai is a professional driving assistant.
70mai application is a mobile phone software used with 70mai smart driving recorder.
This will make it easier for you, as you can get a live image preview from the dashcam after connecting to the 70mai Smart Dash Cam via Wi-Fi. You can also watch previous footage and even download important pictures/videos to your phone. The process is very simple and requires no SIM card.
Furthermore, you can check for firmware updates and download update packs via the 70mai App. You can then push the update pack to the dashcam and start updating the device.