If it were that easy to bypass, it wouldn't be much of a secure measure. Factory reset is the only option.
Hello, thank you for reaching out to us. We'll be happy to help you with unlocking the device. What is the make and model of the device? AdolfoA_VZW
So my wife just got her new phone today and when she put in her knock pad code (the 4 square thing) she forgot it. Is there any other way for us to unlock this phone without factory resetting it?
Doing a simple internet search for 'lg knock pad code', this link from LG support comes up: https://www.lg.com/us/support/help-library/lg-g-pad-70-v410-knock-on-knock-code-CT10000026-140736075...
Not sure if it is the same for your device, but might help.
Another link for cell phone: https://www.lg.com/us/support/help-library/lg-g2-d801-knock-code-CT10000027-1404193910774