Please tell us some basic information before asking for help:
Model Name: ZE620KL
Firmware Version: V17.0615.2003.22
Rooted or not: not
Frequency of Occurrence: always
APP Name & APP Version (If your issue relates to the app): Earphone volume button
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
Earphone volume button error, when i press the volume up it make the volume down, the play button work, but the volume down button not working, i tried use the earphone on other device and its work, Hope it will be fixed in the next beta update, and is there any information about beta 3 update for zenfone 5 ?