User guide
30
6. On the Change Handheld screen, verify that 
the new device information is correct.
• PIN: personal information number (PIN) 
for your device
• IMEI: International Mobile Equipment 
Identity (IMEI) for your device
7. Click Submit.
8. Click Done.
Note: You can also change the device that you 
want to use with your BlackBerry Internet Service 
account by logging in to your BlackBerry Internet 
Service account using a computer. 
See “Log in to 
your BlackBerry Internet Service account using a 
computer” on page 13 for more information.
Where can I find the PIN and IMEI number for 
my device?
1. On the Home screen, scroll to and click 
Settings.
2. On the Settings screen, scroll to and click 
Options.
3. In the device options, scroll to and click 
Status. The PIN and IMEI number for your 
device appear on this screen.
Why is my mailbox full?
Your BlackBerry Internet Service account has a 
mailbox size limit of 25 MB. To avoid reaching the 
limit, delete items from your mailbox regularly or 
set up auto-aging rules for message deletion.
To view the available space in your mailbox or to 
set up auto-aging rules, log in to your BlackBerry 
Internet Service account using a computer that is 
connected to the Internet. 
1. In the URL address field of the Internet 
browser on your computer, type 
www.cingular.com/blackberrystart.
2. On the login screen, type your user ID and 
password.
3. Click Login.
4. Click the Manage Folders button.
See the 
BlackBerry Internet Service Online Help
for information on managing your BlackBerry 
Internet Service account by deleting messages.
How do I find more help with my BlackBerry 
Internet Service account?
Log in to your BlackBerry Internet Service account 
using a computer at www.cingular.com/
blackberrystart. On the menu bar at the top of 
the screen, click Help to view the 
BlackBerry 
Internet Service Online Help
.
For support using live chat with a Cingular 
Wireless Technical Support representative, go to 
http://forums.cingular.com/ and in the Quick 
Links section, click Register.
getting_started.book Page 30 Tuesday, September 20, 2005 10:35 AM










