I wonder if this is a build quality issue, as even with a clear sturdy case fitted, my 3a pro rattles, certainly not what I expected, it does not seem to be affecting the operation of the device, but I admit I feel disappointed as you cannot help thinking, how long before it does begin developing faults. I like my 3a pro, but this issue does not fill me with confidence over the build quality. I have since held down all external buttons and even firmly gripped the phone, I am convinced something is loose internally, which is even more worrying.
