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Unable to register to the network
1.
Too weak signals or strong interference.
2.
SIM card installed properly? Bad contact or SIM card
damaged? If the SIM card is broken, please contact the
network operator to replace it.
Photos taken are too dark
1.
Check if the too low photo brightness is set.
2.
Check if ambient ray is too dark.
Photos taken are too unclear
1.
Check if the object taken is moving.
2.
Check if the mobile phone shivers slightly while you
press shutter.
Photos taken is distorted
The object taken may be too close to camera lens.
Unable to access service menus.
Maybe the SIM card does not support service function.
Only part of the photo set as
standby photo can be seen.
The size of the photo may be too big. The recommended size
is 128*160.
10.
Appendix 2
Abbreviations and Definitions
SMS
Short Message Service
EMS
Enhanced Message Service
SIM
Subscriber Identity Module
GSM
Global System for Mobile Communication
Summary of Contents for DST12
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