Dell Venue User Manual page 153

Problem
You cannot make
outgoing calls
You cannot answer
incoming calls
Unable to add contacts
to the smartphone
Possible causes
The SIM card may not be
installed.
Poor signal.
Your smartphone is in
Airplane mode with no
wireless connectivity.
You have enabled the Call
barring feature.
You have enabled Fixed
Dialing Numbers.
Poor signal.
Your smartphone is in
Airplane mode with no
wireless connectivity.
You have enabled the Call
barring feature.
Memory for storing
contacts is already full.
Possible solutions
Install a valid SIM card in
your smartphone.
Move to an open space, or if
you are inside a building,
move closer to a window.
Press and hold the Power
button and then touch the
Airplane mode option to
disable it.
Touch the Home button
→ Menu button
Settings→ Call settings→
Call barring→ Deactivate
all.
Touch the Home button
→ Menu button
Settings→ Call settings→
Fixed Dialing Numbers.
Disable Fixed Dialing
Numbers (FDN).
Move to an open space, or if
you are inside a building,
move closer to a window.
Press and hold the Power
button and then touch the
Airplane mode option to
disable it.
Touch the Home button
→ Menu button
Settings→ Call settings→
Call barring→ Deactivate
all.
Delete unnecessary contact
information from the
smartphone.
Troubleshooting
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