User's Manual

Qingdao Haier Telecom Co. Ltd. D1600 User Guide
11. Frequently Asked Questions (FAQ)
Here you will find answers to questions that you may have about your Haier D1600 mobile
phone.
Q. What is my Security Code?
A. The Default Security code is 0000. However, it is suggested that you change this code
immediately. Certain features can be used only after the correct security code has been
successfully entered.
Q. How do I change the Security Code?
A. Settings
Security Enter Lock code (By Default is 0000) Change code Enter
Lock code (enter any code which you are able to remember easily)
Confirm Lock
code
Select
Q. What is the RUIM Lock?
A. The RUIM lock code enables you to lock your RUIM, thus preventing someone else
from using it. The Default RUIM Lock is 1234, however, it is suggested that you change
this code immediately.
Q. How to change the RUIM Lock?
A. Settings
Security Enter Lock code (By Default Lock code is 0000) PIN
management
Change PIN Enter old PIN (By Default PIN is 1234) Enter new PIN
Repeat new PIN
Ok
Q. How to enable RUIM Card Lock?
A. Settings
Security Enter Lock code (By Default Lock Code is 0000) PIN
management
Enable PIN Select
Q. How to disable the RUIM Lock?
A. Settings
Security Enter Lock code (By Default lock Code is 0000) PIN
management
Disable PIN Enter PIN (By Default PIN is 1234) Ok
Q. How do I lock the keypad?
A. You can lock the keypad by following the procedure given here.
Settings
Keyguard Customize Set time (enter the amount of time in minutes after
which the keypad lock is activated)
Ok
Or
Press and hold down the * key in idle mode to enable the keypad lock immediately.
Q. How do I unlock the keypad?
A. To unlock the keypad, press 123 to unlock.
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