IBall Bliss 3.5U User Manual - page 23
SIM Security (Same for both SIM1 and SIM2)
Set PIN code for your SIM card.
Note: After three consecutive incorrect PIN code entries, the
code will be blocked, and you need the PUK code to unblock it.
To obtain the PUK code, please contact your Network provider
Phone lock: The phone lock code may be set to prevent your
mobile phone from being misused. The initial phone lock code is
set to 42255 by the manufacturer.
Auto screen lock: Starting up this function will make
automatically lock the screen when the phone is idle or not
touched for a tim
e interval you have set from „5 seconds to 5
min‟.
Privacy protection: You can password protect Phonebook,
Messages, Call history and File manager using this option.
After selecting any of the application, the mobile will ask you to
enter the before entering those applications. The default
password is “42255”.