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  1. 2. The circuit for a SIM card reader is shown here. The circuit uses a CMOS hex inverter and other simple components; yet, not only does it work but it can also communicate with a PC via serial port! I am learning electronic circuits as a hobby and I was baffled to see how simple this was. I was thinking of using some kind of micro controller ...

  2. Aug 15, 2022 · How do I fix a Blackberry that won’t detect SIM Cards or signal? Here are a number of fixes: Ensure the SIM is properly inserted; Test the SIM card on another device to be sure its still active and in good condition; Remove dust, rust or any foreign material inside the SIM slot

  3. Apr 21, 2012 · Hi I'm hoping someone is able to advise me please by blackberry 9800 is not reading my sim card I think I damaged the reader in the phone when I was trying to put an iPhone adaptor thing in some little bits of gold metal came out. I would like to know if it's something I can fix from home or better to pay a professional?

  4. Sep 1, 2013 · Blackberry Z10/Q10 Sim Card Reader Repair Replacement Guide For Damaged Broken Pins Solutionwww.mobiledeviceworkshop.co.ukinfo@mobiledeviceworkshop.co.uk+447...

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  5. Oct 25, 2022 · Things You Should Know. To perform a hard reset, remove the battery for a few seconds and then reinsert. For a soft reset, press and hold the Alt, Right-Shift, and Backspace/Delete keys. To restore your Blackberry to its original factory settings, go to Options > Security Settings > Security Wipe. Method 1.

  6. May 31, 2015 · Mobile Device Workshop is proud to offer the Blackberry Passport Sim Card Reader Connector Repair Solution Service. We repair your device within 24 hours and...

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  8. Dec 18, 2012 · Begin by heating up one of the SIM holder’s pins and melting a tiny bit of solder onto it. Now hold the SIM card holder in place while reheating the pin with the solder. Slide the holder so that the pins align with the pads. Remove the soldering iron to secure this connection.