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3.3.9 UIM Detect Trouble
SETTING : Insert UIM CON400, and power on.
Test Points
CON400
PIN 1
UIM SOCKET PART
Checking Flow
START
Does the UIM
Supports 3V?
Check the condition of
CON400 Good?
Voltage of pin 1 in
CON400=2.85V
Change UIM card
Does it work
Properly?
The UIM is malfunctioned.
Change the UIM.
Circuit Diagram
No
Yes
No
Yes
No
Yes
No
Yes
UIM SOCKET
Change the UIM. Our Phone
supports 3V UIM only
Resolder or replace CON400
Check MSM
Good?
Re-download SW
Work?
Yes
UIM will be DETECTED
No
No
Replace Main
board
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