Ipad cellular not working
My iPad Pro (2018) has a cellular capability, which all of a sudden did not work. It can detect the sim card as it is showing in the settings however, it is only showing No Service. I've tried it with two different sim cards, and they both do not work, but both sim cards work on my iPhone 6s and are showing cellular coverage. The last time i remembered using it was using the cellular of my iPad and my iPhone was connected. All of a sudden, it stopped working, and tried several troubleshooting (restarting the device, replacing the sim). Can anyone tell me what steps are still needed? Thank you.
iPad Pro, iPadOS 14