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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 ...
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
Jan 1, 2013 · If your Sim reader is reading a standard SIM, but not the adapter you have now, a new adapter should help. If you have damaged the reader itself, as indicated, you may end up having to replace the main module.
Apr 4, 2011 · I cut my sim card from regular to micro-SIM, and I left the sim adapter inside the phone. So when I took it out today, the adapter was inside, and as I was removing it in order to insert another regular sim card I have, it wasn't coming out because it seemed as if it was stuck to something. I tried forcing it a little bit and I ended up
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.
Oct 25, 2022 · 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.
Sep 23, 2023 · To erase the entire SIM card data using a SIM card reader, follow the steps below. Open the SD card drawer on the reader/writer device and place your SIM card in it. Alternatively, insert the SIM card into a designated slot on the device (similar to a USB stick).
