Again, a tip for you: the camera SSID cannot access the internet!
Why this camera wouldn't stay connected to my phone?
For some Android phone models (like Google Pixel 2 and SAMSUNG), if the mobile data(LTE) and Wi-Fi are enabled at the same time, the phone will switch to mobile data mode automatically since the B1W Wi-Fi SSID cannot access to the internet. This will break the Wi-Fi connection between the camera and the smartphone.
1. For example, SAMSUNG users: go to Settings — WLAN —Advanced, switch off the “Automatic Data Switch” option, or simply switch off the mobile data usage.
2. If a proxy setting is applied to the Wi-Fi setting, the connection may also fail. Tap the SSID of the camera and go to Advanced — Proxy Settings, select “none” and save the Wi-Fi connection.
3. Switch off then switch on the Wi-Fi option to try again.
4. Quit the app (also kill the background process of the app) and reopen the app.