Nokia C3-01,C3-01m Insert Sim Card problem, Flex Jumper Ways Solution
Here's the hints in troubleshooting the Nokia C3-01 Insert Sim Card Problem:
1. Check the flex ribbon cable assembly. Replace if severely damaged.
2. Clean the SIM slot and the flex pin connector.
3. Check the VSIM voltage across the 0 ohms resistor. Check/replace the resistor if damaged.
4. If the above procedure won't fix the problem, the possible faulty is the PEARL IC - reheat,rework or replace if necessary.
1. Check the flex ribbon cable assembly. Replace if severely damaged.
2. Clean the SIM slot and the flex pin connector.
3. Check the VSIM voltage across the 0 ohms resistor. Check/replace the resistor if damaged.
4. If the above procedure won't fix the problem, the possible faulty is the PEARL IC - reheat,rework or replace if necessary.
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