If your Android phone is showing a "No SIM Card Detected error", then you can't connect to your wireless carrier network. Here's how to fix it.

While most tablet with SIM card slot has only one slot, we will also mention tablets with dual SIM card slots to help you expand your choices a little bit.

If you are using a Samsung Galaxy or another Android phone or tablet with cellular connectivity ... correctly on the designated slot, eject the SIM tray, check the SIM card's positioning, and insert ...