How to send messages from Samsung Galaxy S4 GT-I9500 using DRPU Bulk SMS Software
STEP ① - "Enable Developer mode" in your Samsung GALAXY S4 GT- I9500 Mobile
Photo shot of Enable Developer mode in Samsung Galaxy S4, go to Enabling Developer mode
STEP ② - Now Enable USB Debugging Mode in your Samsung GALAXY S4 Mobile
Photo shot of Enable USB Debugging Mode in Samsung Galaxy S4, go to Enabling USB Debugging Mode
STEP:③ - Connect your device using USB Cable to PC for using Bulk SMS Tool
Photo shot of connecting your phone to PC, go to How to Connect your Mobile