Troubleshooting; Device Maintenance - myPhone D21 Manual De Instrucciones

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Troubleshooting

Message /
problem
Insert SIM
card
Input PIN
Network fail
The
connection
cannot be
established
I cannot hear
the caller./
The caller
cannot hear
me
No one can
call me

Device maintenance

Follow the instructions below.
• For cleaning use only a dry cloth. Never use any agent with a
high concentration of acids or alkalis.
• Use the original accessories only. Violation of this rule may
result in an invalidation of the warranty.
Make sure SIM card has been correctly installed.
If the SIM card is secured with the PIN code you
have to enter the PIN when turning the phone on
and press <OK>.
In areas where signal or reception is weak, calls
may not be possible. Also receiving calls may not
be possible. Move to another location and try
again.
Check if the typed-in phone number is correct.
Check if the phone number entered to the
[Contacts] is correct.
Enter the correct phone number if necessary.
Check that the SIM card is active and has
outgoing calls unlocked
The mic. should be close to mouth.
Check if the built-in mic. is not covered.
When a headset is un use, check if it has been
connected correctly.
Check if the built-in speaker isn't covered.
The phone has to be on and within GSM network
reach.
Possible solution
24
D21