![How to Fix No SIM Card, Invalid SIM, Or SIM Card Failure Error on Android Phone #Samsung Galaxy A12 - YouTube How to Fix No SIM Card, Invalid SIM, Or SIM Card Failure Error on Android Phone #Samsung Galaxy A12 - YouTube](https://i.ytimg.com/vi/ySI4pAUMj5Y/maxresdefault.jpg)
How to Fix No SIM Card, Invalid SIM, Or SIM Card Failure Error on Android Phone #Samsung Galaxy A12 - YouTube
My SIM card is in my phone but my phone says 'No SIM'. I already tried to reboot my phone and remove SIM card out and insert it again but nothing happened,
![4.4 kitkat - How do I remove the 'Slot 1: No SIM card detected' notification? - Android Enthusiasts Stack Exchange 4.4 kitkat - How do I remove the 'Slot 1: No SIM card detected' notification? - Android Enthusiasts Stack Exchange](https://i.stack.imgur.com/ztdB1.png)