100cuci apk 2
https://wiki-canyon.win/index.php/Getting_Started_with_100cuci_Login_for_Online_Gaming_in_Malaysia
The 100cuci apk is a compact Android app that claims to boost device audio clarity. I tried it on an older phone, and while the interface is basic, it did seem to reduce some background noise during calls. It's not a professional solution, but for a quick fix on a budget device, it works okay. Just be cautious with permissions and ads.