You can do the following to check:

1. Check the network specs of your phone in the HTC website. (Go to the website of the country where you bought the phone.) 2. Check the supported network band in the country where you will be traveling. 3. Check if cross-country roaming has been activated by your mobile operator.

1. Connect your phone to your computer. 2. Copy your custom ringtones to the Ringtones folder on your phone. 3. Disconnect your phone from the computer. 4. On your phone, press the START button. (The START button is the Windows icon at the bottom center below the screen.) 5. On the Start screen, slide to the left. 6. Tap Settings. 7. Tap ringtones+sounds. 8. Tap Ringtone, and you will see the audio file under the Custom category. To find out more, go to the Overview page. Under How-tos > Changing the ringtone

You can add as many as you want.

Tap the topmost part of the screen to view the status indicators.

You can add an extension number to a stored contact's phone number by typing a comma (,) plus the extension number after the phone number. Your phone will dial the extension automatically when you call the contact.

1. Press the START button. (The START button is the Windows icon at the bottom center below the screen.) 2. On the Start screen, slide to the left. 3. Tap People. 4. Open the contact you want to edit, or create a new contact. 5. Tap the number you want to add an extension number to. 6. Press and hold the period key (.), and then tap the comma key (,). 7. Enter the extension number after the comma (,). For example, to add the extension 1234 to the phone number 555-7169, enter the following: 555-7169,1234 8. Tap save (the disk icon).

1. Please tap START. 2. On the Start screen, slide to the left. 3. Tap Settings. 4. Tap about. 5. Tap more information to view more details about the phone software.

NOTE: START is the window icon at the bottom center on the phone screen.

The space shown on the box and in advertisements is the total storage capacity of the phone, and in fact does exist in the phone. The total storage space is divided into Internal storage and phone storage, and part of the space is being used to make sure your phone is running at optimal performance levels.

The space shown on the box and in advertisements is the total storage capacity of the phone, and in fact does exist in the phone. The total storage space is divided into internal storage and phone storage, and part of the space is being used to make sure your phone is running at optimal performance levels.

Hot environment can cause the phone to reach unsafe operating temperatures quicker. Please make sure you do not use your phone in direct sunlight. If your phone gets hot and uncomfortable to the touch, turn off your phone and wait until it cools down before you use it again.

Keep your phone away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat. Also avoid wet areas when using the phone.

Your phone may get warm while you're using it for a long time in phone calls, web browsing or charging etc. If the operating temperature of your phone makes you feel uncomfortable, please stop any operations on your phone. Please contact HTC customer service for further asistance.