Troubleshooting Home page /Documentation/Troubleshooting Troubleshooting Below you will find various articles that can help you with troubleshooting. This can be troubleshooting in the SureSMS app, on your phone or in operators' networks. My SMS is not received on my phone If you see a green checkmark next to your sent SMS in SureSMS, but it is still not visible on your phone, it may be because your phone is blocking the SMS message.
