Oppo How to Set a Custom ringtone
Oppo 4350Oppo's ColorOS operating system allows us to set our own ringtone for calls and messages in addition to the standard ringtones, and in the case of dual SIM devices, our own ringtone can be set for the SIM card in question.
It doesn't matter in which folder the own ringtone is stored, the function automatically searches the whole memory for supported file formats like MP3.






- Tap on Settings
- Tap on Sound & vibration
- Tap on Ringtone
- Choose a SIM card (Dual SIM)
- Tap on Select from files
- Set a Custom ringtone