If you have recently Updated your Android Smartphone with a Custom ROM then It may be that such a problem may have happened to you that your Android phone is
![Invalid IMEI Number Problem on Android [Fix]](https://www.probweb.com/wp-content/uploads/2017/12/Invalid-IMEI.jpg)
If you have recently Updated your Android Smartphone with a Custom ROM then It may be that such a problem may have happened to you that your Android phone is