Developer options on LG Phoenix 4 can be accessed without requiring a password. To do so, follow these steps:

1. Go to the Settings menu on your LG Phoenix 4.
2. Scroll down and tap on 'About phone'.
3. Find the 'Build number' entry and tap on it multiple times (usually seven times).
4. You will see a message that says 'You are now a developer!'. This means Developer Options has been unlocked.
5. Go back to the main Settings menu, and you should now see 'Developer options' listed.
6. You can now customize and tweak various developer settings without the need for a password.

Remember, enabling Developer Options gives you access to advanced settings that can affect the performance and behavior of your device, so be cautious while making changes.