The LG Envy requires the user to enter a "lock code" to perform certain functions on the phone. For example, to perform a factory reset, the user must enter the four-digit lock code twice during the ...

Locking your Android smartphone with a password, PIN or unlock pattern is your first defense against those who would use it for malicious purposes like stealing your info or sending joke texts to your ...

If your smart lock is connected to a voice assistant, be sure to use a PIN to unlock it with voice commands. It's a stretch, but it is possible to create workarounds with IFTTT to avoid using the PIN.