Sim Lock (6-4); Set Status (6-4-1); Change Code (6-4-2) - Motorola T2688 User Manual

SIM Lock (6-4)

With this function, you can help prevent unauthorized usage of the handset
with unknown SIM cards.
After you set this function ON, if the SIM card in your handset is not the one
used to enable this function, you will be prompted to enter the unlock code
when you power on your handset. If the unlock code entered is correct, the
handset will recognize the SIM card automatically. The next time you power on
your handset with this newly recognized SIM card, you will not be prompted to
enter the unlock code again. However, if the unlock code entered is incorrect,
the display will show " Insert Correct SIM" , and the handset will function as if
the SIM card was not inserted. The handset can recognize up to 3 different SIM
cards.
After you enter this function by pressing
appear on the screen:

Set Status (6-4-1)

After you select this item, you can choose from the following options:
On: press
unlock code first (The default unlock code is 00000000).
Off: press
unlock code to disable it.

Change Code (6-4-2)

Change the unlock code. You need to enter the original unlock code.
After you select this item, press
the original unlock code. Enter the original unlock code and the new
unlock code, then press
key to enable the SIM lock function. You need to enter the
key to disable the SIM lock function. You need to enter the
key.
key, the following options will
key and you will be prompted to enter
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