Coincidentally, I am a user of Mushroom Zhixing, and Mushroom Zhixing uses the same OTA online upgrade technology as mobile phones. There is no need to go back to the 4s shop to upgrade, and it doesn't cost money. Click the upgrade button on the car in minutes to complete.

Confirm whether the WiFi hotspot of the recorder can be found in the wlan set by the mobile phone system. If it can be found and connected successfully, please check whether the APP has access to WiFi information through the mobile phone settings. Mobile phone Bluetooth or car Bluetooth devices and records.