zelta F14, Руководство пользователя

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23
Common fault diagnosis
Fault
phenomenon
Possible reasons
Cannot turn on The battery is discharged. Charge it with
electricity.
Wrong SIM
Card
SIM card smudgy, clean the SIM card.
Reinstall the SIM card.
SIM card has
been damaged, replace the SIM card.
Reception bad Check on the screen of the signal
strength indicator, and this is the number
of symbols this for 5 case said the strong
signal, 2 case said the weak signal
Phone can’t dial
You may set the hide the machine
number, but your network operator does
not provide this service;
May
have a strong interference
environment around signal;
May you activate the call barring
function;
May you activate the line 2, but your
network operator does not provide this
service;