This guide will show you the steps to enforce a new 6-digit PIN to lock/unlock your Windows 10 Mobile phone. When you purchase through links on our site, we may earn an affiliate commission.

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.

Timeout/Lock Phone After: Jump Down. Most people are familiar with PIN numbers for their ATM card and voicemail, and this is pretty much the same. Unlocking with a PIN means numbers only.

Today, I will be explaining to you how you can enable a screen lock on Signal and also change the security PIN for the app. Signal messaging app is an Open-Source not-for-profit messaging service.