Nokia C3-01 Insert SIM Card Problem Jumper Ways Solution

Here's the Nokia C3-01 solution for Insert Sim card or sim card not detected problem.
If the phone unable to recognize any inserted working sim card to this solution below may help on fixing the problem.

The nokia C3-01 Sim card interface is attached together with the Keypads and MicroSD card interface flex cable. If the said Flex become damaged, the possible problem will result to  memory card problem, keypad problem, keypad light problem and the said insert sim card problem.

The troubleshooting procedure is quite easy, you may firstly need to visually check the flex assembly for possible damaged. Replace if there is a replacement spare available.

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Nokia C3-01,C3-01m Insert Sim Card problem, Flex Jumper Ways Solution

The solution above may help if having trouble finding the replacement for the flex ribbon cable, you may only need to apply a jumper wire on an opens line paths after tracing it.

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.

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