MS345 User Manual

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Troubleshooting

Thischapterlistssomeproblemsyoumightencounterwhenusingyourphone.Some

problemsrequireyoutocallyourserviceprovider,butmostareeasytofixyourself.

Message Possible causes Possible corrective measures

SIM or

USIM card

error

There is no SIM

or USIM card

in the phone

or it is inserted

incorrectly.

Make sure that the SIM card is

correctly inserted.

No network

connection/

Dropped

network

Signal is weak or

you are outside the

carrier network.

Move toward a window or into

an open area. Check the network

operator coverage map.

Operator applied

new services.

Check whether the SIM card is more

than 6~12 months old. If so, change

your SIM card at your network

provider’s nearest branch. Contact

your service provider.

Codes do

not match

To change a

security code,

must confirm

the new code by

re-entering it.

If you forget the code, contact your

service provider.

The two codes

you entered do

not match.

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User Manual - Page 80