Troubleshooting - Sharp 703SH User Manual

Vodafone
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Troubleshooting

Problem
• Make sure the battery is properly
The phone does not turn on.
• Make sure you have entered the
• Your SIM/USIM card/protected
PIN code or PIN2 code is
rejected.
• Contact your SIM/USIM provider if you
• Enter the PUK code (8 digits) provided
• If the attempt is successful, enter the
The SIM/USIM card becomes
locked.
• Adjust the backlight brightness for the
The display is difficult to
read.
• Check the radio signal strength
• Check to see if any error message is
Phone functions do not work
after the phone is turned on.
• Make sure the SIM/USIM card is
Solution
inserted and charged.
correct code (4 to 8 digits).
functions will become locked after
three unsuccessful attempts.
do not have the correct PIN code.
by your service provider (if supported).
new PIN code and confirm your phone
is operational again. Otherwise contact
your dealer.
display.
indicator as you may be outside the
service area.
displayed when you turn your phone
on. If so, contact your dealer.
correctly inserted.
Problem
• If the message "SIM card error" is
displayed when the phone is switched
on, you cannot use your SIM/USIM
card or the SIM/USIM card is
damaged. Contact your dealer or
network service provider.
• Check your call barring, fixed dialling
setting, remaining battery and call
Calls cannot be made or
received.
forwarding settings.
• Check if your phone is currently
performing data communication using
Infrared (IrDA),
technology interface or a USB data
cable.
• Check the remaining balance if you are
using a pre-paid SIM/USIM card.
• Your current location may not provide
good call quality (i.e., in a car or train).
Call quality is poor.
Move to a location where radio signal
strength is greater.
Solution
Bluetooth
wireless
Troubleshooting
119

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