CHAPTER 3 Starting up
C448HD C450HD | Users & Administrator's Manual
2.
Select the
Factory data reset
option; the device performs a restore to default factory
settings.
Recovery Mode
If a phone goes into recovery mode, you can boot it using its hard keys as shown in
Locking and Unlocking the Phone
As a security precaution, the phone can be locked and unlocked. The feature includes:
■
■
Automatic lock (
Automatic Lock
Users can lock their phones as a security precaution. Configure the phone with any of the lock
options before attempting to lock it. If an option isn't configured, the action won't function.
➢
To lock the phone:
■
Press the back key
on the phone for at least three seconds for the device to
automatically lock.
Unlock
➢
To unlock the phone:
1.
When the screen shown in the figure below is displayed, start typing your unlock PIN code.
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