User's Manual

47
Settings
◎ You must submit an application if using the Security Lock Service for the
first time. (This can be submitted even after losing your phone.)
◎ The Remote control lock cannot be activated if your PTL21 is turned off, is
outside the service area, or if “Airplane mode” is turned on. The Remote control
lock may also fail if your PTL21 is in an area with poor signal quality.
◎ The Remote control lock cannot be activated if no au IC-Card, or if a IC-Card
which is not yours is inserted in your PTL21.
■Unlocking the Remote control lock activated
through au Customer Support
Even if you activated the Remote control lock using the Security Lock
Service, you can unlock your PTL21 screen after you retrieve it.
Initializing PTL21
You can reset the settings of all functions to their factory default. Note that
all data saved in the PTL21 internal memory is deleted.
1
On the setting menu screen, [Privacy]
2
[Factory data reset] → [Reset phone]
If the screen lock is set, the unlock screen is displayed. Enter the
pattern, PIN or password to unlock the screen.
3
[Erase everything]