Re: Annoying LOUD AT&T start up sound
Silent Boot was the answer for my HTC One X plus. (Android 4.2.2)
First of all it didn't work but then I turned off the Fast Boot option (Settings...Power...Fast boot) and it worked fine with only the first option ticked.
Re: Disabling startup/boot sound - WORKED!
Silent Boot was the answer for my HTC One X plus. (Android 4.2.2)
I had to turn Fast Boot option off for it to work.
(Settings...Power...Fast boot )
Thank you all!