14 Calls
Your phone number
Find it: Menu  > Settings > About phone > Status 
> My phone number
TTY mode
Your smartphone can use an optional teletypewriter 
(TTY) device, for people who are hard of hearing or have 
a speech impairment.
  
1 Plug the TTY device into the smartphone's headset 
jack.
2 Touch Menu   > Settings > Call settings > TTY 
mode
, and choose a TTY setting.
Emergency calls
Note: Your service provider programs one or more 
emergency phone numbers that you can call under any 
circumstances, even when your phone is locked. 
Emergency numbers vary by country. Your 
pre-programmed emergency number(s) may not work in 
all locations, and sometimes an emergency call cannot 
be placed due to network, environmental or interference 
issues.
  
1 Touch  Dialler (if your smartphone is locked, touch 
Emergency call).
2 Enter the emergency number.
3 Touch   to call the emergency number.
Note: Your phone can use location based services (GPS 
and AGPS) to help the emergency services find you. See 
"Location services (GPS & AGPS)" on page 57.
Cool down
In very limited circumstances, such as where your 
phone has been exposed to extreme heat, you may see 
"Cool down" messages. To avoid possible damage to 
your battery and phone, you should follow these 
instructions until the phone is within its recommended 
temperature range. When your phone is in "Cool down" 
mode, only emergency calls can be made.