Справочник Пользователя для Samsung A900M

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Updating Phone Software
The update phone software option allows you to download 
and update the software in your phone automatically. Only 
the internal software is updated, no contact entries or other 
information saved to your phone will be deleted.
To update your phone:
1.
Press Menu > Settings > Others > Update Phone Software 
from standby mode.
2.
Follow the onscreen instructions.
Note:
In TTY Mode, your phone will display the TTY access icon 
when a headset or TTY device is plugged in.
If TTY mode is enabled, the audio quality of non-TTY 
devices connected to the headset jack may be impaired.
WARNING
911 Emergency Calling
Sprint recommends that TTY users make emergency 
calls by other means, including Telecommunications 
Relay Services (TRS), analog cellular, and landline 
communications. Wireless TTY calls to 911 may be 
corrupted when received by public safety answering 
points (PSAPs), rendering some communications 
unintelligible. The problem encountered appears 
related to TTY equipment or software used by PSAPs. 
This matter has been brought to the attention of the 
FCC, and the wireless industry and PSAP community 
are currently working to resolve this.