SIM Lock

With this SIM lock feature, you can prevent unauthorized use of your phone with an unknown SIM card.

When you have the SIM lock activated your phone will only work with the SIM card used to enable the lock. If a new SIM card has been inserted into your phone, "Insert Correct SIM" will pop up after you

power on and enter the PIN. Press and the SIM lock code will be requested.

If the incorrect code is entered when a new SIM card has been inserted into your phone, "Insert Correct SIM" will be displayed again, and the phone will not be enabled until the correct SIM lock code is entered.

8If you have entered the wrong SIM lock code 10 times in a row, you will never be able to enable your phone using the new SIM card.

If the correct code is entered the SIM card will be recognized and you can use the phone as normal. The next time your phone is switched on with this newly recognized SIM card, you will not be asked to enter the SIM lock code again.

Your phone can recognize up to 3 different SIM cards.

To activate the SIM lock you need to key in and save a number only you know as the SIM lock code. (There is no factory preset SIM lock code). The length of the code must be set between 8 to 12 digits.

To deactivate the SIM lock you also need to enter the SIM lock code that you previously saved in your phone memory.

To change the SIM lock code you must firstly deactivate the SIM lock and then enter the new code you want when activating the SIM lock again.

Quick Access

In this option, the screen displays a configuration list containing features for you to choose from and add to the Q.Access menu discussed in chapter 5. For how to set up your Q.Access menu, see page 48.

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BenQ M555C user manual Quick Access, SIM Lock