I found a fix that works for me for the unwanted in-call max volume issue. If your phone inexplicably reverts to maximum in-call volume, and when you answer or make a call you are blasted out, that is the issue I am talking about.
From the Market: Volume Locker.
You can lock all the various volume settings of the phone, including the in-call volume which is not accessible on the bare ThunderBolt unless you are already in a call. Of course, by that time you have already been blasted out. The ONLY volume that I lock is the in-call volume. Never had an issue with any of the others. And, hint: You can set it to prompt you if/when anything tries to change the volume, but if you set it to "instant" it will eliminate the prompts. It will be totally seamless and you will be virtually unaware it is doing its job (my kind of app!) So... now I have a perfect phone
My in-call volume stays put. And, you can set it to ignore this lock during a call. Perfect. This means you have a pleasant "default" but can still change it temporarily during the call itself, depending on the specific call. Sometimes some systems come in louder than others.
Another helpful app that allows you to set the in-call volume without actually being on a call is: Volume Control.
Just thought some folks might want to try this.
-Frank
From the Market: Volume Locker.
You can lock all the various volume settings of the phone, including the in-call volume which is not accessible on the bare ThunderBolt unless you are already in a call. Of course, by that time you have already been blasted out. The ONLY volume that I lock is the in-call volume. Never had an issue with any of the others. And, hint: You can set it to prompt you if/when anything tries to change the volume, but if you set it to "instant" it will eliminate the prompts. It will be totally seamless and you will be virtually unaware it is doing its job (my kind of app!) So... now I have a perfect phone

Another helpful app that allows you to set the in-call volume without actually being on a call is: Volume Control.
Just thought some folks might want to try this.
-Frank
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