Starting on Tuesday 20 September, my Asus Zenfone 9 keeps making a mysterious alert sound that I have never heard before. Every time this happens, no notification appears in the tray, so I don't know what is causing it. The sound is very frequent and totally unpredictable.
I have already tried closing all apps, restarting the phone and adjusting the sound settings. Even when the volume is set to zero, the alert sound still plays through the speakers.
I have attached a recording of the alert sound playing twice.
Thanks for any help you can provide!
Details:
- Model name: Asus Zenfone 9
- Firmware version: Android 14, build WW_34.0304.2004.145
- Rooted or not: No
- Frequency of occurrence: Ranges from once every day to once every three seconds
- APP Name & APP Version (If your issue relates to the app): N/A
