T-Mobile MDA III 用户手册

下载
页码 178
                  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