Setting up auto-lock for your iPad
You can set your iPad to lock after a period of inactivity, or whenever a sale is concluded. You need to enter a 4-digit PIN to unlock the screen.
On the home screen of the Shopify POS app, tap
Under Security, tap Screen lock.
Tap a time option. If the Shopify POS app is inactive for the selected length of time, the screen will lock.
If you want the screen to lock after each order is completed, enable Auto-lock after sale.
Tap Back to return to the Settings screen.