Malfunctions & Measures - Hyundai MB-D5330 User Manual

Malfunctions & Measures
Here list some malfunctions that may occur and measures. If the measures can't solve the
problem please contact authorized after service center. Thank you!
Can't turn the phone on
check battery installation, please install battery correctly

check if battery level is low, change a battery or charge the battery
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Check if enter incorrect PIN code 3times in a row. If yes, the phone is locked, then
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you should enter PUK code( please contact your network provider for PUK code)
SIM Card Void
When the phone shows "SIM Card Void", you can try the following:
Powers the phone off then restart to sure if can solve.

If your SIM card is a prepaid card, to sure whether the card is insufficient.
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Please turn to your network provider, and to sure whether to be refused registration

network by other reasons.
Weak signal or no signal
You may be in a location where the reception is bad, such as tunnel or cellar, please

relocate and try again.
You can try turning around slightly or get near the window if you are in the room.
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Bad talking quality
weak signal, you can try solutions above
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low battery, change a new battery or charge the battery
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use up volume key to adjust microphone volume
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Can't make a call
check if you enter the correct number and press send key
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check if you set call barring, if yes cancel it
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Can't receive calls
check if your phone is turned on
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check if screens shows no signal, if yes, try solutions above

check if you set call barring, if yes, cancel it
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