1. First download the sunflower client App (controlled terminal) on one mobile phone, and download the sunflower remote control App (master terminal) on another mobile phone. Pay attention to downloading different apps at the master/controlled terminal.

2. Register a sunflower account and obtain services such as "Sunflower Mobile Phone Authorization" or "Sunflower Beginner Edition", and then both the defendant and the defendant log in to open the same sunflower account. Here, the accused mobile phone needs to open the auxiliary service in the sunflower client App to obtain the screen capture and remote control (root-free control) of the mobile phone.

3. When the main control terminal opens the sunflower remote control App, you can see the online controlled mobile phone in the device list. Click on the accused mobile phone and select "Desktop Control" to successfully control the accused mobile phone remotely.