T-Mobile MDA III - Manual (Page 54)

T-Mobile MDA III User Manual 54
3.9 Securing Your Phone
You can customize the level of security you want to have on your T-Mobile MDA III by locking the
keypad, the entire device, or the SIM card.
Locking the keypad
The keypad lock turns off the keypad functionality. This is a helpful feature if, for example, your T-
Mobile MDA III is turned off and in your pocket, and you want to prevent accidental keypress.
1. Tap > Settings > System tab > Button Lock
2. Select Lock all buttons except Power button .
3. To unlock your keypad, tap Do not lock buttons .
Locking your T-Mobile MDA III
Locking your T-Mobile MDA III prevents access to personal data. When you enable this feature,
your T-Mobile MDA III will automatically lock after a specified time of inactivity. A screen will be
displayed requiring your T-Mobile MDA III "lock password" before access is granted.
1. Tap > Settings > Personal > Password .
2. To enable this function, select how long your mobile device must be turned off before the password
is required for using the device, by tapping Prompt if device unused for .
3. Select the type of password you would like to use: Simple 4 digit or Strong alphanumeric .
A strong password must have at least 7 characters that are a combination of uppercase and lowercase
letters, numerals, and punctuation.
4. Enter the password, and if necessary, confirm the password.
Locking the SIM card
You can protect your T-Mobile MDA III from unauthorized use by assigning a PIN (Personal
Identification Number). Your first PIN is assigned by T-Mobile.
1. On the Phone keypad, tap Tools > Options > Phone tab.
2. Select Require PIN when phone is used .
3. To change the PIN at any time, tap Change PIN .