How to change or adjust the display option for brightness
To raise or lower the screen brightness, follow these steps:
How to change, increase, or decrease the backlight duration
To increase or decrease the amount of time before the backlight dims, follow these steps:
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How to access the Help menu
To access Help on your phone, follow these steps:
How to access My Nokia
My Nokia is a free service that you can sign up to receive tips and support information about your phone, as well as important updates from T-Mobile and latest information on Nokia products, services, and accessories.
When you first turn your phone on, tap Accept at the Welcome to My Nokia screen and follow instructions on the screen to complete the sign up process. You can also go to http://my.nokia.com/mynokiausa/registration to sign up online.
To access My Nokia, follow these steps:
How to access the user forum menu
To access the user forum on your phone, follow these steps:
How to access My Account
To access My Account, from the Home screen, tap the My Account icon to view the following information:
Options available for back up on the Nokia 5230 Nuron include the following:
To back up your data on your memory card, follow these steps:
How to check the software version
To find the software version on your phone, follow these steps:
To update the software version on your phone, follow these steps:
We’re sorry, but this feature is not an available on your particular phone model.
How to turn on or turn off airplane mode
Airplane mode turns off the wireless radio. This allows you to use programs while traveling on an airplane, but not make or receive calls. To turn on airplane mode, follow these steps:
WAP Push messages are supported.
Turning off WAP Push messages is not supported on your particular phone model.
How to use, turn on, or turn off data roaming
To use, turn on, or turn off data roaming, follow these steps:
How to perform a manual network selection to register on a network
Related error: 'Network unavailable'
To manually select the wireless network the phone connects to, follow these steps:
Note: The phone detects and registers on wireless networks inside T-Mobile’s calling area, but roaming networks are usually restricted to T-Mobile SIM cards. You can manually select a network only in areas where T-Mobile does not own GSM spectrum.
To back up all data or information, follow these steps:
How to perform a master reset
A master reset restores the original factory settings and will erase the following content stored on the phone memory:
A master reset will erase Java games on the memory card but it will not delete pictures and videos.
To master reset the device, follow these steps:
Restore all data or information, follow these steps:
How to change the default SIM PIN code
To change the default SIM PIN code, follow these steps:
How to turn on or turn off the SIM PIN code
The SIM PIN code is used to protect the SIM from being used in other phones. When you enable the SIM PIN code, the phone prompts you to enter the code after turning it on. To turn on or turn off the SIM card lock, follow these steps:
How to change the default security code
The phone requires the security code when you perform a master reset or a master clear. To change the default security code, follow these steps:
How to lock and unlock the keypad
Locking the keypad protects against accidental key presses. No password is required to unlock the keypad. To lock and unlock the keypad, follow these steps:
Manual keypad lock
Automatic keypad lock
How to turn on or turn off the phone lock
Phone lock causes the phone to lock when you turn it off. When you turn the phone back on, you must enter a password. To turn on or turn off the phone lock, follow these steps:
How to enter a PUK code
If you enter the PIN code incorrectly several times in a row, the phone blocks you from attempting again. To enter a PUK code and unblock the PIN, follow these steps:
Important: You must call T-Mobile Customer Care for the PUK code. Entering the wrong code can permanently damage your SIM card.
How to enter a Mobile Device unlock code
The Mobile Device unlock code allows the phone to use a SIM card from another wireless carrier. To enter the Mobile Device unlock code, follow these steps:
Important: Stop if you receive an error message while performing the instructions below. The phone locks permanently if you enter the incorrect code multiple times.
How to set the alarm clock
To set the alarm clock, follow these steps:
How to turn on or turn off automatic update of time and date (NITZ)
Automatic update of time and date (NITZ) checks for the correct time while the phone turns on. To turn on or turn off NITZ, follow these steps:
Note: When you enter a different time zone and turn on your phone, it automatically updates to the new time. This feature is network-dependent and may not be available in all areas.
How to set or change the time and date
To set the time and date, follow these steps:
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