The text message reading function of the samsung phone can be activated by the following steps: 1 Open your samsung phone and enter the settings application. 2 Open the device manager by clicking on the "About phone" or "Device Manager" option. 3 In the Device Manager, swipe down to find "applications and notifications" or "applications and notifications options." 4 In the "applications and notification options", click "application manager". 5 Find the "Three Star Reading" application in the "application manager". 6. Open the "Three Star Reading" application and click "Open". 7. In the "Tristar Reader" interface, you can choose the text file you want to read and click "Open". 8 After you finish reading, you can close the file by returning to the home screen or reopening the "Three Star Reading" application. These were the detailed steps to activate the text message reading function of the samsung phone.