If you have forgotten your LG Stylo 4's password and need to factory reset the device, there are a few steps you can take to accomplish this. Follow these guidelines to reset your device without the need for the password:

1. First, power off your LG Stylo 4 by pressing and holding the power button.
2. Next, simultaneously press and hold the Volume Down and Power buttons until the device powers on.
3. When the LG logo appears, release the Power button for a moment and then press and hold it again.
4. Continue holding the Power button until the factory reset menu appears.
5. Using the Volume buttons to navigate the menu, select 'Yes' to confirm the factory reset.
6. Wait for the process to complete, and your LG Stylo 4 will be restored to its factory settings without requiring the password.

It's essential to note that performing a factory reset will erase all data on your device, so make sure to back up any crucial information beforehand. Additionally, this method may vary slightly depending on the specific model and software version of your LG Stylo 4.