Nokia C3-01,C3-01m Memory card flex cable jumper ways
Hints in troubleshooting Nokia C3-01 memory card not detected problem:
1. Try to use another working microSD card.
2. Clean the MMC slot and the flex pin connector.
3. Check/replace the Flex ribbon cable assembly,. Or apply a jumper wire for remedy.
4. Check/replace the O ohms resistor on the Flex
5. Check/read the VMEM voltage.
6. If all the above procedures doesn't help...
Try to flash update the device firmware...
The possible faulty is the PEARL IC, reheat, rework or replace if necessary.
1. Try to use another working microSD card.
2. Clean the MMC slot and the flex pin connector.
3. Check/replace the Flex ribbon cable assembly,. Or apply a jumper wire for remedy.
4. Check/replace the O ohms resistor on the Flex
5. Check/read the VMEM voltage.
6. If all the above procedures doesn't help...
Try to flash update the device firmware...
The possible faulty is the PEARL IC, reheat, rework or replace if necessary.
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