DBTEL DB-2072A Manual Do Utilizador

Call Functions

 

19 

 

Call Functions 

Turning your phone ON and OFF 

Press and hold 

  for 3 seconds and then release 

it.  
Note 
Always switch off your phone whenever it is 
forbidden to use it or when it may cause interference 
or danger. 

SIM cards are usually protected with a PIN code.   
The PIN code usually comes with your SIM card 
provided by the network operator. 
 
1. Key in your PIN code (note that the characters in 

your password are replaced with “*”). 

2. After you have entered the PIN code, press 

. 

3. If you key in a wrong number, press 

 to 

remove the last digit. Press and hold 

 to 

clear the entire entry. 

4. If the PIN code entered is incorrect, a warning 

message will be displayed to notify you of the 
remaining times for entering the PIN. 

Note 
If an incorrect PIN code is entered 3 times in 
succession, your phone will automatically lock-up 
the SIM card and a message will be displayed to 
inform you that the SIM card is blocked. 

If your SIM card is locked, you will be asked to enter 
the PUK code to unlock your phone in order to 
continue using it. Perform the following steps to 
unlock the blocked SIM card: 

1. Key in the PUK code, press 

. 

2. Key in a new PIN code, press 

. 

3. Key in the new PIN code again and press 

. 

Note 
The PUK (Personal Unblocking Key) code is used to 
release and change the blocked PIN code. If an 
incorrect PUK code is entered 10 times in 
succession, the SIM card will be blocked 
permanently. If the PUK code does not come with 
your SIM card or you have lost it, please check with 

your network service provider for the code.