HTC TyTN User Guide

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60  Using Phone Features
3.1 Using the Phone
Like a standard mobile phone, you can use your device to make, receive, 
and keep track of calls and send messages. You can also dial directly from 
Contacts, and easily copy phonebook entries from your USIM/SIM card to 
Contacts on your device.
The Phone screen
From the Phone screen, you can access Call History, Speed Dial, and Phone 
settings. To open the Phone screen, do one of the following:
• 
Tap Start > Phone; or
• 
Press the TALK button ( 
 ).
 
TALK button
Enter your PIN
Most USIM/SIM cards are preset with a PIN (personal identification number) 
that is provided by your wireless service provider.
1. 
Enter the preset PIN assigned by your wireless service provider.
2. 
Tap Enter.
Note 
If your PIN is entered incorrectly three times, the USIM/SIM card will be 
blocked. If this happens, you can unblock it with the PUK (PIN Unblocking 
Key) obtained from your wireless service provider.