Change phone lock code

The phone lock code protects the contents of your phone from unauthorised use. When the phone lock code is turned on, it needs to be keyed in every time you turn on your phone and when it has been in sleep mode. Remember, you need to turn on use of phone lock code.

HTC One M9
HTC One M9
HTC One M9
  • 1
    Find "Screen lock"
    • Slide your finger down the display starting from the top edge of your phone.
    • Press the settings icon.
    • Press Security.
    • Press Screen lock.
  • 2
    Change phone lock code
    • Key in the phone lock code.
    • Press the required phone lock code.
    • Follow the instructions on the display to change the phone lock code.
  • 3
    Return to the home screen
    • Press the home icon to return to the home screen.