How to Write your Message on Lock Screen on Stock Android version 9.0 Pie?br br Step 1: Tap on the 'Settings' App to open it.br br Step 2: Tap on 'Security & Location.'br br Step 3: Tap on 'Gear' icon next to 'Screen Lock.'br br Step 4: Tap on 'Lock Screen Message,' and then Write your message at the pop up.br br Step 5: After that, Tap on 'Save' link.br br Step 6: Now, Go to your Lock Screen, you will see your message.br br br It's done.