Samsung Galaxy Mega Manual Do Utilizador

Note: You must activate Lock SIM card before you can change 

your SIM PIN code. 

To change your SIM PIN code: 

1.   Touch Change SIM PIN. 

2.   Enter your old SIM PIN code and touch OK. 

3.   Enter your new SIM PIN code and touch OK. 

4.   Re-type your new SIM PIN code and touch OK. 

If you enter the wrong SIM PIN more than 3 times, you must 
contact your AT&T Customer Service Representative to get 
the PUK code for your device. 

1.   Each time you enter a wrong SIM PIN number the 

phone displays how many attempts you have 

remaining. 

2.   After the third incorrect attempt, SIM is now disabled, 

displays and your SIM card is locked. 

3.   When you receive the new PUK code from your 

AT&T Customer Service Representative, enter it in 

the PUK code field. 

4.   Enter a new PIN code in the Enter a new PIN field and 

touch OK. 

5.   Enter the new PIN code again in the Confirm your new 

PIN field and touch OK. 

Note: While your SIM PIN is locked, you can still make 

Emergency calls, if necessary. 

When enabled, password characters display briefly as you
touch them while entering passwords.  

1.  From the Settings screen, touch 

More 

More ➔ 

Security. 

2.   Touch Make passwords visible to enable or disable brief 

displays of password characters. 

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