3 ms·

Most of them allow you to take the battery out if it comes to that.

• nknight 15y ago
  Like all the iPhones, iPads, and unibody MacBook Pros?
• mikeash 15y ago
  But nobody actually does, so clearly we're content to trust the software on that matter.
  • MatthewPhillips 15y ago
    They do if the power button malfunctions. Are you aware of any devices that cannot be turned off because of a software error?
    • mikeash 15y ago
      How could you even tell if you had one?
    • pavel_lishin 15y ago
      nknight mentioned iphones, ipads, and unibody macbooks.