2. Secondly, in the free and unfettered simulator, you will see a virtual Android phone interface. On this interface, you can find an application icon named "Settings". This icon is similar to a gear or tooth icon.
3. Then, click to enter the setup application. In the settings menu, you need to find the options of "about mobile phone" or "about device". This option is located at the bottom of the settings menu.
4. Then, in the "About Mobile Phone" or "About Device" menu, you will find an option named "Version Number". Click this option several times until a prompt or message "Developer Option Enabled" appears.
5. Then, connect the mobile phone to the computer with USB cable to ensure that the mobile phone and the computer are in a normal connection state.
6. Then in the Xiaoyao simulator, you will receive a pop-up window, prompting you to choose whether to use the Xiaoyao simulator or the mobile phone for debugging. Choose to use the Xiaoyao simulator for debugging.
7. Finally, after completing the above steps, the mobile phone is successfully connected to the free and unfettered simulator. You can start using applications or operations that need to be connected to your mobile phone on the simulator.