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T-Mobile MDA III User Manual
34
T-Mobile MDA III User Manual
35
Entering your PIN
Most SIM cards are preset with a PIN (Personal Identication Number). This PIN is provided
by T-Mobile, which you need to enter whenever you use your device. (For more information on
installing your SIM card into your T-Mobile MDA III, please see the illustrations in the Quick
Start Guide.)
1. Enter the preset PIN assigned by T-Mobile.
2. Tap button.
If your PIN is entered incorrectly three times, the SIM card will be blocked. If this happens, you
can unblock it with the PIN Unblocking Key (PUK) from T-Mobile.
Checking your connection
By default, your T-Mobile MDA III will automatically connect to your service provider’s network
once you have inserted a SIM card and entered the required PIN code. The icon indicates
that you are connected to your service provider's network. A full strength signal is indicated by
. As the strength of the signal diminishes so will the number of vertical bars in the icon, with
no bars indicating no signal.
LEGAL NOTICE: In many countries you are required by law to turn off your phone on board an
aircraft. Turning off the power of your T-Mobile MDA III doesn't turn off the phone function. You
must turn on the Flight Mode in order to disconnect the connection to the wireless network.
Turning ON the Flight Mode
To turn OFF your wireless connection to your operator’s network, you can switch your phone
connection mode to Flight mode. You can turn the Flight Mode
On or Off while keeping your
T-Mobile MDA III actually turned ON.
1. While using any program on your T-Mobile MDA III, tap in the title bar at the top of the phone’s
display.
2. Tap the Turn on ight mode or Turn off ight mode option in the pop-up dialog box.
3. Select the Turn off ight mode to receive calls
You can use any programs on your device during a call. To quickly switch back to the Phone
Dialer Screen, tap , or tap > Phone.