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Level 3 Repair
8-11
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8-3-1-4. SIM Part
Phone can't access SIM card
Check the voltage
of SIM1,SIM2(C325,
C328)
≥
2.8V?
Yes
No
Yes
Check SIM_CLK
Signal(C354,
C327)?
Replace UCP200
No
Replace UCP200
Check the SIM Card is
damaged
Yes
Check SIM_DATA
Signal(C326,C329)?
No
Replace SIM300/SIM301
Summary of Contents for GT-C3322
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