Troubleshooting

Problem

 

Solution

The phone does not

•

Make sure the battery is

turn on.

 

properly inserted and

 

charged.

 

 

 

•

Make sure you have entered

 

 

the correct code (4 to 8

 

 

digits).

 

•

Your SIM card/protected

PIN code or PIN2

 

functions will become locked

code is rejected.

 

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).

SIM card becomes

•

If the attempt is successful,

locked.

 

enter the new PIN code and

 

 

confirm your phone is

 

 

operational again. Otherwise

 

 

contact your dealer.

The display is diffi-

•

Adjust the LCD contrast.

cult to read.

 

 

Problem

 

Solution

 

•

Check the radio signal

 

 

strength indicator as you may

 

 

be outside the service area.

Phone functions do

•

Check to see if any error

not work after the

 

message is displayed when

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 SIM card is damaged.

 

 

Contact your dealer or

 

 

network service provider.

 

•

Check your call barring, fixed

Calls cannot be

 

dialling setting, remaining

 

battery and call forwarding

made or received.

 

 

settings.

 

 

 

•

Check if your phone is

 

 

currently performing data

 

 

communication using Infrared

 

 

(IrDA).

 

• Check the remaining balance

 

 

if you are using a pre-paid

 

 

SIM card.

113 Troubleshooting

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Sharp O2 manual Troubleshooting, SIM card