Here's a complete step by step cell phone repair tutorial on how to fix Nokia X2
mobile phone insert sim card problem or hardware failure issues. Before proceeding this process make sure to completely check the Sim card connector pins connections, make sure if it is free out from dust, molds, corrosion or any foreign objects.
The picture guide below shows the components ( highlighted square pink color ) where the line paths of the sim card connector goes through. You can check on each value or replace them if found faulty.
Now, the X2 uses the
EMI Filter to protect from risk of
EMI and ESD interference.
Here's the full path of each components on how to test and diagnose the Insert SIM card failure on Nokia X2. The EMI filter input and output line paths can be check like the repair guide picture below.
Before replacing or removing the EMI Filter make sure to check first the power supply voltage that feeds to the SIM connector Pin 1. Check the line paths in between those lines from C2215 to R2311 and to sim card connector pin 1.
If the line paths is okay, you may now then proceed to replace the EMI Filter IC. If this solution may not solve the problem, you may send me a message on a shout box page on this blog.
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