Hi, do you have any questions about the sound issue? You can find the corresponding articles below that fit your needs. Or contact realme customer service directly.
Low sound coming from phone speaker
Why there is low or noisy sound on the Bluetooth speaker
Bluetooth speaker not working or no sound
realme earphone one side is not working
What if the wired earphone is silent or noisy after connecting
If the above methods can't solve your problem, please visit realme Customer Service Center for help.