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Flow Chart of Troubleshooting
9-4
9-2. SIM Part
"Insert SIM" is displayed on the LCD
VSIM_3.0V at the pin#1
SIM500 = "H"?
No
Check the SIM Power
Yes
Is there any signal pin
#2,3,6 of SIM
500
?
Check UCP200
No
Yes
Check the SIM Card
END