Some messages received from companies who do not allow you to reply or provide a number Spam messages really well you can block those using the default SMS messaging app provided on an Android phone if you use the Samsung default messaging app that allows you to send Media is additional feature you have to set it as your default messaging app once you do the feature for you to block spam messages is not available am I missing something here or is there a way around this without having to go back to the original SMS messaging app