To raise or lower the screen brightness, follow these steps:
To increase or decrease the amount of time before the backlight dims, follow these steps:
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To access the help documents on your device, follow these steps:
To locate the PIN number for the device, follow these steps:
To find the software version on your device, follow these steps: The latest software version for this device is 22.214.171.1240.
Review the following information before you install the BlackBerry Desktop Manager software:
To install the BlackBerry Desktop Manager software, follow these steps:
Important: Do not connect your device to your computer before or during the installation of the BlackBerry Desktop Software on your computer. You can connect your device to your computer AFTER you have finished the installation.
Airplane mode turns off the wireless radio. This allows you to use programs while travelling on an airplane, but not make or receive calls. To turn on airplane mode, follow these steps:
WAP push messages (browser messages) allow you to download ringtones, wallpaper, and other content. To turn on or turn off WAP push messages, follow these steps:
We're sorry, but this is not an available feature on your particular device model.
To register the device on the network with the Host Routing Table, follow these steps:
Related error: 'Network unavailable'
To turn on manual network selection, follow these steps:
Note: The device 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.
A master reset restores the original factory settings and may erase all downloaded content, including ringtones, images, programs, and contacts stored in the internal memory. It does not erase data stored on the SIM card or memory card (if available). To perform a master reset, follow these steps:
Important: All application data will be lost and e-mail service and other services will be disabled when performing a master reset. Make sure you have backed up contacts, calendar appointments, and other data on your computer before continuing.
To perform a soft reset, follow these steps:
To change the default SIM PIN code, follow these steps:
Note: Enabling SIM security requires the PIN code be entered every time the device is turned on. This security follows the SIM if it is moved to another device.
The handset requires the security code when you perform a master reset or a master clear. To change the default security code, follow these steps:
We're sorry, but this is not an available feature on your particular phone model.
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:
Using the menu
Using the hardware button
With phone lock enabled, the phone will lock any time it is turned off, and you will need to type a password when you turn the phone back on.
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 will prompt you to type the code after turning it on.
If you enter the PIN code incorrectly several times in a row, the handset 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.
The Mobile Device unlock code allows the device 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 handset locks permanently if you enter the incorrect code multiple times.
To verify that the device has the correct settings to send and receive e-mail, follow these steps:
Note: To display the entire name of the service book, scroll to and select the visible portion of the e-mail address. Review the CID line to determine if the entry is CICAL or CMIME.
To send service books, follow these steps:
To set the alarm clock, follow these steps:
Automatic update of time and date (NITZ) checks for the correct time while the device turns on. To turn on or turn off NITZ, follow these steps:
Note: When you enter a different time zone and turn on your device, it automatically updates to the new time. This feature is network-dependent and may not be available in all areas.
To set the time and date, follow these steps:
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