For iPhone users, you can set up a Shortcut that achieves similar results because many snatchers will instinctively try to turn off cellular: + When airplane m

For iPhone users, you can set up a Shortcut that achieves similar results because many snatchers will instinctively try to turn off cellular: + When airplane mode is enabled + Lock the screen and require password Locking the phone is the most important thing. Losing the physical device is a bummer but it can be replaced and restored. Allowing access to any apps or message history is the worst case scenario.