Sharp GX17 User Guide - Page 115
Troubleshooting
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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. 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 display. 114 Troubleshooting Problem Phone functions do not work after the phone is turned on. Calls cannot be made or received. Solution • Check the radio signal strength indicator as you may be outside the service area. • Check to see if any error message is displayed when 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 battery and call forwarding settings. • Check if your phone is currently performing data communication using Infrared (IrDA), Bluetooth wireless technology interface or a USB Data Cable. • Check the remaining balance if you are using a pre-paid SIM card.