Palm Pre User Manual page 313

My phone won't connect to the mobile network
Try the suggestions in the preceding section for weak signals.
Turn off your phone and turn it on again (see "Turn the Phone On/Off" on page 20).
If your phone is connected to your computer in USB Drive mode, disconnect your phone
from your computer (see "Copy Other Types of Files Between Your Phone and Computer"
on page 93).
Restart your phone (see "Restart Your Phone" on page 216).
I see five bars in the signal-strength icon, but I still can't connect to the network
The signal-strength
number of bars that are shaded white. If most or all of the bars are gray, you are in an area of
weak or no coverage.
The other person hears an echo
Try decreasing the volume on your phone to avoid coupling or feedback on the other
person's end. (This applies to both the speakerphone and the earpiece.)
Position the earpiece closer to your ear to prevent sound leaking back into the
microphone.
If you're using the speakerphone feature with your phone lying on a flat surface, try turning
the phone face down (screen facing the surface).
I hear my own voice echo
Ask the person on the other end of the call to turn down the volume on his or her phone or to
hold the phone closer to his or her ear.
My voice is too quiet on the other end
Be sure to position the microphone, which is on the lower-left side of the gesture area,
close to your mouth. (Make sure you are not covering the microphone with your cheek or
chin.)
Section 4A: Troubleshooting
icon always displays five bars. Your signal strength is indicated by the
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