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Appendix B: Troubleshooting
Failure
Reason
Can’t switch on
1
、
The battery has been run out;
2
、
The battery isn’t installed properly.
SIM card error
1
、
SIM card is dirty. Clean the SIM card.
2
、
Re-install the SIM card.
3
、
SIM card is damaged. Please change a new one.
4
、
(SIM2 is same)
Weak signal
Check the icon of signal strength, where four strips indicate the strongest signal and
two or less strips indicate weak signal.
(SIM2 is same)
Can’t make calls
(I) You have set to hide your own number, but the network operator doesn’t support this
service.
(II). The ambient has strong interference.
(III). You have enabled call barring.
(IV). You have activated Line 2, but the network operator doesn’t support this service.
Can’t charge the battery
(I). The battery may be over discharged and it takes a while to charge after connected to
the charger.
(II) Battery performance has decreased.
Can’t connect to network
(I). The signal is too weak, or there is radio interference.
(II). Check whether the SIM card is installed properly, whether the contact is poor or
whether the card is damaged? Please contact your network operator if the SIM card is
damaged.
The photos taken are too
dark
(I) The brightness is too low;
(II) The environment is too dark
The photos taken are blurry
(I) The object is moving;
(II) Your hand shakes when you press the shutter
The photos taken are
distorted
The object is too close
Can’t access service menu
The SIM card doesn’t support
Appendix C: Abbreviation and explanation
SMS
Short Message Service
EMS
Enhanced Message Service
SIM
Subscriber Identity Module
GSM
Global System for Mobile Communication
PIN Personal
Identity
Number
PUK
PIN Unblocking Key
IMEI International
Mobile Equipment Identity
CB Cell
Broadcast
GPRS
General Packet Radio Service
MMS Multimedia
Message
service
Appendix D: Optional parts
T-FLASH card
This is also called as memory card, which is used to save data.
Handsfree kits
The handsfree kits include earphone and mini microphone, which are used for handsfree call.
USB data cable
In power off state, connect the mobile phone to PC with the USB data cable to access files and charge the battery.
