One day I found out that my sim card is not showing network. After that I tried to find the all the possible ways to solve the problem. If your SIM card like Airtel sim or JIO or Vodaphone sim is not showing network or service on your phone or not getting detected in your phone or mobile, it can be frustrating. Sometime your 1st sim may work but your 2nd sim not showing network. This issue can occur on Samsung, MI, Motorola, Vivo, Oppo, and even iPhones. Sometimes Even iphone Shows no sim or invalid sim or no service or sim not supported. Whether it’s a hardware issue or a software glitch, this comprehensive guide will help you troubleshoot and resolve the problem.