You can request a delivery report for text messages on your Samsung Galaxy S5 Mini which tells you that the sent message has been correctly transmitted to the receiver. However, the delivery report for SMS messages is not active from the beginning, but has yet to be activated in the settings of the messages app on your Samsung Galaxy S5 Mini. We tell you now how to enable the delivery report for sms messages on the Samsung Galaxy S5 Mini.
Open Menu -> Settings -> Section "Applications" -> Messages-> text messages
In this submenu of, the SMS messages app you now find the "delivery reports" option. Set a mark in the checkbox to activate the delivery report for each message sent from Samsung Galaxy S5 Mini. This delivery report is normally a free service of your mobile operator.