Low sound in ear speaker since 10 months

[sfarshi91]

Please tell us some basic information before asking for help:
Model Name: max pro m2
Firmware Version:4.4.153-perf+#1Tue April 7
Rooted or not: not rooted
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app):
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.
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[Christine_ASUS]

Hi vikky
Thank you for your asking. Kindly provide the information below so that we could better assist you.
1. Model Name: Settings>System>About phone
Refer to the link below to check the model name by model no. in the link
https://www.asus.com/support/FAQ/1014441/
If your device is not ZB631KL, please open a new thread your own.
2. Your current firmware version
Setting >System>About Phone>Software information
If you try to update to the latest version, does the issue still remain?
3. Does the issue appear after any system/apps download or upgrade?