Samsung SGH-U900 user manual 144, While using your phone, the following messages may appear

Models: SGH-U900

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While using your phone, the following messages may appear:

Message

Try this to solve the problem:

 

Please insert SIM

Ensure that the SIM or USIM card is

 

card

installed correctly.

 

 

 

 

Phone lock

When the phone lock feature

?

 

is enabled, you must enter the

 

 

password you set for the phone.

 

 

 

troubleshooting

144

PIN lock

When using the phone for the first

 

time or when the PIN requirement

 

is enabled, you must enter the PIN

 

supplied with the SIM or USIM card.

 

You can disable this feature by using

 

the PIN lock menu.

 

 

PUK lock

Your SIM or USIM card is blocked,

 

usually as a result of entering your

 

PIN incorrectly several times. You

 

must enter the PUK supplied by your

 

service provider.

 

 

Your phone displays “Service unavailable” or “Network error.”

When you are in areas with weak signals or poor reception, you may lose reception. Move to another area and try again.

You cannot access some options without a subscription. Contact your service provider for more details.

You enter a number, but the call is not dialled.

Ensure that you have pressed the Dial key: [].

Ensure that you have accessed the right cellular network.

Ensure that you have not set call barring for the phone number.

Page 145
Image 145
Samsung SGH-U900 user manual 144, While using your phone, the following messages may appear