How to enable Developer Mode (USB Debugging Mode) on LG G3 (F400, F400S, F400K, F400L)

In order to test the development on a physical LG G3 device, it's crutial to enable USB Debugging Mode (USB Debugging Mode). This is how you can do it. On...

In order to test the development on a physical LG G3 device, it's crutial to enable USB Debugging Mode (USB Debugging Mode). This is how you can do it.

- On your LG G3, go to **Settings:[![Screenshot_2014-07-13-07-00-57](http://www.joe0.com/wp-content/uploads/2014/07/Screenshot_2014-07-13-07-00-57-300x227.png)](http://www.joe0.com/wp-content/uploads/2014/07/Screenshot_2014-07-13-07-00-57.png)**

- Switch to **General** tab at the top of the screen

- Scroll right down to the bottom and select: **About Phone**:

Screenshot_2014-07-13-06-51-46

- Select:** Software Information:**

Screenshot_2014-07-13-06-51-58

- Find the** Build Number** option and press it 8 times

- You'll see a toast message saying: You're now a developer!

Screenshot_2014-07-13-06-52-15

- Once done, go to: **Settings**, **General** tab again and select: **Developer Options**

- If you get any warning, just press OK button

- Put a check mark on: **USB Debugging** (just press OK if you get a warning again). Note: you have to make sure your LG G3 is not connected to a computer to enable USB debugging. If it is connected to a computer, "Enable USB Debugging" will be grayed out.

- ![Screenshot_2014-07-13-06-56-35](http://www.joe0.com/wp-content/uploads/2014/07/Screenshot_2014-07-13-06-56-35-168x300.png)