Troubleshooting - Sharp GX22 User Manual

Troubleshooting

Problem
The phone does not
turn on.
PIN code or PIN2
code is rejected.
The SIM card
becomes locked.
The display is
difficult to read.
174 Troubleshooting
Solution
• Make sure the battery is
properly inserted and
charged.
• Make sure you have entered
the correct code (4 to 8 digits).
• Your SIM card/protected
functions will become locked
after 3 unsuccessful attempts.
• Contact your SIM provider if
you do not have the correct
PIN code.
• Enter PUK code (8 digits)
provided by your service
provider (if supported).
• If the attempt is successful,
enter the new PIN code and
confirm your phone is
operational again. Otherwise
contact your dealer.
• Adjust the backlight
brightness for the main
display, and adjust the LCD
contrast for the external
display.
Problem
• Check the radio signal
strength indicator as you may
be outside the service area.
• Check to see if any error
Phone functions do
message is displayed when
not work after the
phone is turned on. you turn your phone on. If so,
contact your dealer.
• Make sure the SIM card is
correctly inserted.
• If the message "SIM Card
Error" is displayed at start-up,
you cannot use your SIM card
or the SIM card is damaged.
Contact your dealer or
network service provider.
• Check your call barring, fixed
dialling setting, remaining
Calls cannot be
battery and call forwarding
made or received.
settings.
• Check if your phone is
currently performing data
communication using Infrared
(IrDA) or a data cable.
• Check the remaining balance
if you are using a pre-paid
SIM card.
Solution