Transfer Audio Files from a PC:

1. Establish a USB connection between the Grand X 3 and computer
2. Swipe the “Status” bar down on the home screen and make sure “Media device (MTP)” is turned on
3. Open the File Explorer on the PC
4. Locate the audio files you wish to use on your smartphone
5. Copy the files and paste them on the phone storage, preferably in the “Ringtones” / “Notification” / “Alarms” folders in the “Media” directory
6. After the transfer is done, eject the phone storage via system tray and safely disconnect the phone from the USB

Change the General Ringtone:

1. Launch the “Settings” menu
2. Scroll to “Device” and tap “Sound”
3. Tap “Phone ringtone” under “Call ringtone & vibrate”
4. Select the desired ringtone and tap “OK”
5. Optionally, you can turn “Also vibrate for calls” On or Off

Change the Ringtone of a Specific Contact:

NOTE: You cannot set custom ringtones to contacts located on the SIM card or the phone’s internal memory.

1. Open “Contacts”
2. Select the desired contact
3. Tap “Edit” > “Menu” > “Set ringtone”
4. Select the desired ringtone and tap “OK”

Change the Notification Sound:

1. Open the “Settings” menu
2. Scroll to “Device” and tap “Sound & Notification”
3. Under “Sound”, tap “Default Notification Sound”
4. Select the desired notification sound
5. Tap “OK” to confirm