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Get LockRingerVolume old version APK for Android
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Isn't there ring volume changed while pushing the side key at time?
Even if the side key is pushed, this application program is locked as a vibrate mode.
Last updated on Sep 30, 2018
Support to Android 8.0 or later.
LockRingerVolume
2.3.0 by Miyaken
Sep 30, 2018