Resetting a Kwikset lock involves removing the battery pack and holding down a button, while changing the code can be done ...

A brain teaser featuring a four-digit code has been puzzling Twitter users. While many suggest the code is 3841, but some argue it could be 4891.

Today I Learned TIL how to lock an iPhone with an actual password A 6-digit pin isn't very secure—and there's a better way.