Aux V900 Android phone how to set the ringtone of my memory card?

Information ringtone

Alarm clock: just create a ringtone under the SD card.

notification

And alarm folders (corresponding to ringtones, respectively)

Information ringtone

Alarm clock), and then put the ringtone in the corresponding folder (usually after scanning the SD card, such as turning it off and then on), you can find the files you put in the corresponding ringtone settings in the settings.

SD card reads the ringtone: You should mean the prompt tone when connecting the computer, which is the same as the system message tone. By default, the SMS ringtone is the same as the system message sound, but it can be changed to another sound in SMS.

Boot bell

Turn-off bell: This will involve ROM, but if you know which folder the specific file is in, you can replace the original turn-on bell file with R.E in the case of system root.