Troubleshooting

When you turn on your phone or while you are using the phone, it prompts you to enter one of the following codes:

Code

Try this to solve the problem:

 

When the phone lock feature is enabled,

Password

you must enter the password you set for

 

the phone.

 

When using the phone for the first time

 

or when the PIN requirement is enabled,

PIN

you must enter the PIN supplied with

 

the SIM card. You can disable this feature

 

by using the PIN lock menu.

Code

Try this to solve the problem:

 

Your SIM card is blocked, usually as a

PUK

result of entering your PIN incorrectly

several times. You must enter the PUK

 

 

supplied by your service provider.

 

When you access a menu requiring the

PIN2

PIN2, you must enter the PIN2 supplied

with the SIM card. For details, contact

 

 

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.

Troubleshooting 77

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Samsung GT-B7722QKIATO, GT-B7722QKIDBT manual Troubleshooting, Your phone displays Service unavailable or Network error