If you are unable to receive SMS messages in your Samsung Android smartphone. Then there is fix to this problem. As many important verification links, OTP’s and messages are received via SMS, their should be quick response of messages to your phone. Delay in receiving any such message is not preferable as in case of any online transactions or account confirmations.
You can fix this problem by two methods-
1. Ask someone to call you:
Let someone call to your number. You may receive the SMS when the device is ringing, if not then lift the call, wait for a while you will get message notification. Calling will eliminate network unstability if any and make way for messages.
2. Reboot your device:
Reboot your device to get SMS notifications. It is not preferable while using any running app or site where message info is required.
Conclusion: I hope this methods helped you to fix the messaging problem.