![background image](http://html.mh-extra.com/html/lava/kkt-flash/kkt-flash_user-manual_680362006.webp)
6
Warning:
Be sure to remove the SIM phone off before. There is absolutely prohibited in the case
of an external power supply connected to insert or remove the SIM, or SIM card and mobile phone
may be damaged.
2.2
Password Protection
To prevent unauthorised usage, you can set the phone, password protected. To Use this function,
you must enter the phone lock under setings >security setings > phone security > Phone Lock to set
password
Enter the phone lock password, press the LSK to confirm. By default, the phone lock password is
set to 4321. It is recommended to change it.
2.3
SIM Lock
To prevent illegal use of your SIM Keep your SIM, PIN (Personal Identification Number)
protected. To Use this, you have to set the PIN Lock on under setings > security settings> SIM 1
security or SIM 2 security > PIN lock. You have to enter the PIN password at boot time, so that you
can unlock the SIM card and use your SIM service. Enter the PIN password
,
press the LSK to
confirm. By default, the PIN is set to 1234. If 3 consecutive incorrect attempts, your SIM will be
network locked, the phone will ask for PUK password.