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8-3-4. SIM Part
SIM1 or SIM2 does not work
Are U200 pin 4,8,12 working?
Are SIM200 or SIM 201 crack?
Are U200 pin 2 = "H" or "L"?
Check the SIM Card
Yes
Yes
Yes
Yes
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Resolder or Replace U200
No
Resolder or Replace SIM200 or SIM201
Signal is not switching
then Resolder or Replace U200
8-9
Level 3 Repair
"H" is SIM1
"L" is SIM2
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