Troubleshooting - FLY DS400 User Manual

If any problem occurs in your phone, please refer to the help information in the table below.
If the problem continues, contact the dealer.
Problem
Unable to switch
on
Unable to make
a call
Communication
interrupted
suddenly
Unable to
charge the
battery
Insert the SIM
card
Version 1.0
User manual
Possible Causes
 Is the battery power low?
 Do you press End key for adequate
time?
 Is the battery inserted correctly?
 Is the phone outside of the service
area?
 Is the phone number correct?
 Are you in a place with weak
signal?
 Is there any object around that
obstructs signal transmission?
 Are you moving in high speed
during conversation?
 Is the charger plugged to the phone
correctly?
 Is the power cable of the charger
disconnected from the socket?
 Is the battery too old?
 Do you insert the SIM card
correctly?
 Is the SIM card connector dirty?
 Is the SIM card damaged?
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T r o u b l e s h o
T r o u b l e s h o
Solutions
 Charge the battery.
 Press End key for over 2
seconds.
 Insert the battery
correctly.
 Move to a place where
signal can be received
strongly.
 Check that the number is
correct.
 Move to a place with
strong signal.
 Go to another place.
 The signal will interrupt
when the phone switch
between 2 cell station.
Please move in low
speed.
 Plug the charger to the
phone correctly.
 Check the connection.
 Contact the seller to
replace the phone with a
new battery.
 Please insert the SIM
card correctly.
 Please clean the SIM
card.
 Please check the SIM
card and return it to the
service provider.
08/07/28
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o t i n g