Londa industry limited M3310 User Manual

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-Input the correct PUK according to the screen tips to unlock the SIM card.
-Then input the new PIN and press the OK key.
-Input the new PIN again and then press the OK key.
-If the input PUK is correct, the SIM card will be unlocked and the PIN will be reset.

Note: The SIM card will be locked if you input wrong PIN code for three times. To unlock the SIM card,

you need to input the PUK. In general, the PUK can be obtained from the network operator.

 PUK

The PUK code (Personal Unlocking Key) is required to change a blocked PIN. It is supplied with SIM

card. If not, contact your network operator. If you input wrong PUK code for 10 times, SIM card will
beinvalid. Please contact the network operator to replace the SIM card.

 Barring code

A barring code is required for setting the call barring function. You can obtain this code from the network
operator to set the call barring function

2.2

Functions of Keys

 Dial key

Press it to originate a call by entering the called number or selecting a contact from the phonebook; or
press it to receive an incoming call; or press it in standby state to show the latest call records.

 End key

Press it to end a call being dialed or end an ongoing call; or press it to exit the menu and return to the