Push your headphones right in
you can not
Blow compressed air into the jack (headphone socket)
To turn of the safe mode on a htc sensation Xl, go to the settings menu and scroll down to the modes option. select the off button under the safe mode section.
We don't have enough information to make a clear answer on this; however leaked images and sources state that the HTC Bolt will have no headphone jack. (24/9/16)
There is two ways to turn the vibration down on the HTC EVO shift. You can either go to the sound, keyboard and call setting and turn down the sound or you can go into the profile and put it on silent mode.
weena
it has an ear phone hole at the top and it fits normal sized earphones
Worst-case scenario would be to just shut it down and restart it. You might want to also go to the carrier to see if they can diagnose why touching the Airplane mode icon won't turn it off.
you would turn it on
From your home screen, Settings, Call, Call Settings, Turn off Vibrate, menu Save. DONE
Accessories for HTC one x are: cases and holsters, screen protectors, protector cases, skin covers, stylus, Bluetooth headset, hand straps and necklaces, Headphone plug charms
To turn on vibrate only on your HTC Inspire, go into Settings, then Sound, and then Volume. You can turn volume off, and leave only vibrate.