Samsung SGH-I780 User Manual

Also see for SGH-I780: Service manual User guide User guide

Contents

08 SOLviNG PrObLEmSolving ProblemSolving Problem_06A caller cannot reach you• Make sure that your phone is switched on. (Press END for more than one second.)• Make sure that you are accessing the correct cellular network.• Make sure that you have not set an incoming call barring option.your voice is not heard at the other end• Make sure that you have switched on the microphone.• Make sure that you are holding the phone close enough to your mouth.The microphone is located at the bottom of the phone.The phone starts beeping and “Battery Low” flashes on the display• Your battery is insufficiently charged. Recharge the battery.The audio quality of the call is poor”• Check the signal strength indicator on the display ( ).The number of bars indicates the signal strength from strong ( ) to weak( ).• Try moving the phone slightly or moving closer to a window if you are in a building.no number is dialled when you re-call a Address entry• Use the Phonebook feature to ensure the number has been stored correctly.• Store the number again, if necessary.The battery doesn’t charge properly or the phone sometimes turns itself off• Wipe the charging contacts both on the phone and on the battery with a clean soft cloth.If the above guidelines do not help you to solve the problem, take note of• The model and serial numbers of your phone• Your warranty details• A clear description of the problem

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