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156 Chapter 11 : Troubleshooting
Messaging
I can’t tell if data services are available
The following icons appear in the title bar to indicate whether data services
are available. If you don’t see one of these icons, you cannot open a data
connection:
I can’t send or receive text or multimedia messages
• Make sure that your phone is on (see Turn the phone on/off).
• If your phone is connected to your computer in USB Drive mode,
disconnect your phone from your computer (see Copy files between your
phone and your computer).
• For multimedia messages, contact your wireless service provider to verify
that your plan includes messaging services, that these services have been
correctly activated, and that they are available at your location. (Your
wireless service provider should be able to tell you if messaging services
have been experiencing transmission delays.)
• If possible, contact the recipient of the message, and make sure the
receiving device can handle the type of message you’re sending.
• If a message arrives but does not display a notification, restart your phone
(see Restart your phone).
I want to send a video in a multimedia message, but do not see
it on the list of items I can attach
You can attach pictures in JPG format to outgoing multimedia messages. To
send files of other types, attach them to an email message (see Add
attachments to a message).
Wi-Fi
I am trying to connect my phone to my Wi-Fi network and
need to find the phone’s MAC address
Open Device Info , tap More Info, and tap Hardware. Under Phone,
the number listed to the right of Wi-Fi is your phone’s MAC address.
KEY TERM 1xRTT (single-carrier [1x] radio transmission technology): A
wireless technology that can provide fast data transfer and Internet access,
with average speeds of 60-to-80Kbps and bursts of up to 144Kbps.
KEY TERM EvDO (Evolution Data Optimized): A wireless broadband
technology that is designed for very high-speed data transfer, with average
download speeds of 400-to-600Kbps, and capable of reaching speeds up to
3.2Mbps and upload speeds up to 1.8Mbps.
Data connection icons
Icon Description
Your phone is connected to a 1x data network. Data is not
currently being transmitted over the network.
Your phone is connected to a 1x data network and data is
being transmitted over the network.
Your phone is connected to an EvDO data network. Data
is not currently being transmitted over the network.
Your phone is connected to an EvDO data network and
data is being transmitted over the network.
Your phone is connected to a Wi-Fi network. You can
open a data connection.