Sim Part - Samsung GT-C3322 Service Manual

8-3-1-4. SIM Part

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